الرياضيات الأساسية الأمثلة

10

$10$ ,

$11$ ,

$12$ ,

$13$ ,

$14$ ,

$15$ ,

$16$ ,

$17$ ,

$18$ ,

$25$

خطوة 1

متوسط مجموعة من الأعداد يساوي مجموع الأعداد مقسومًا على عدد الحدود.

$\overline{x} = \frac{10 + 11 + 12 + 12 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2

بسّط بَسْط الكسر.

انقر لعرض المزيد من الخطوات...

خطوة 2.1

أضف

$10$ و

$11$ .

$\overline{x} = \frac{21 + 12 + 12 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.2

أضف

$21$ و

$12$ .

$\overline{x} = \frac{33 + 12 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.3

أضف

$33$ و

$12$ .

$\overline{x} = \frac{45 + 13 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.4

أضف

$45$ و

$13$ .

$\overline{x} = \frac{58 + 13 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.5

أضف

$58$ و

$13$ .

$\overline{x} = \frac{71 + 13 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.6

أضف

$71$ و

$13$ .

$\overline{x} = \frac{84 + 14 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.7

أضف

$84$ و

$14$ .

$\overline{x} = \frac{98 + 14 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.8

أضف

$98$ و

$14$ .

$\overline{x} = \frac{112 + 14 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.9

أضف

$112$ و

$14$ .

$\overline{x} = \frac{126 + 15 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.10

أضف

$126$ و

$15$ .

$\overline{x} = \frac{141 + 15 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.11

أضف

$141$ و

$15$ .

$\overline{x} = \frac{156 + 15 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.12

أضف

$156$ و

$15$ .

$\overline{x} = \frac{171 + 15 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.13

أضف

$171$ و

$15$ .

$\overline{x} = \frac{186 + 15 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.14

أضف

$186$ و

$15$ .

$\overline{x} = \frac{201 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.15

أضف

$201$ و

$16$ .

$\overline{x} = \frac{217 + 16 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.16

أضف

$217$ و

$16$ .

$\overline{x} = \frac{233 + 16 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.17

أضف

$233$ و

$16$ .

$\overline{x} = \frac{249 + 17 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.18

أضف

$249$ و

$17$ .

$\overline{x} = \frac{266 + 17 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.19

أضف

$266$ و

$17$ .

$\overline{x} = \frac{283 + 17 + 17 + 18 + 18 + 25}{25}$

خطوة 2.20

أضف

$283$ و

$17$ .

$\overline{x} = \frac{300 + 17 + 18 + 18 + 25}{25}$

خطوة 2.21

أضف

$300$ و

$17$ .

$\overline{x} = \frac{317 + 18 + 18 + 25}{25}$

خطوة 2.22

أضف

$317$ و

$18$ .

$\overline{x} = \frac{335 + 18 + 25}{25}$

خطوة 2.23

أضف

$335$ و

$18$ .

$\overline{x} = \frac{353 + 25}{25}$

خطوة 2.24

أضف

$353$ و

$25$ .

$\overline{x} = \frac{378}{25}$

خطوة 3

اقسِم.

$\overline{x} = 15.12$

خطوة 4

يجب تقريب المتوسط إلى مرتبة عشرية واحدة أكثر من عدد المراتب العشرية في البيانات الأصلية. إذا كانت البيانات الأصلية مختلطة، فقرّب إلى مرتبة عشرية واحدة أكثر من القيمة الأقل دقة.

$\overline{x} = 15.1$

خطوة 5

عيّن قاعدة التباين. التباين لمجموعة من القيم هو مقياس لمدى تشتت قيمها.

$s^{2} = \sum_{i = 1}^{n} \frac{{(x_{i} - x_{a v g})}^{2}}{n - 1}$

خطوة 6

عيّن قاعدة التباين لهذه المجموعة من الأعداد.

$s = \frac{{(10 - 15.1)}^{2} + {(11 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7

بسّط النتيجة.

انقر لعرض المزيد من الخطوات...

خطوة 7.1

بسّط بَسْط الكسر.

انقر لعرض المزيد من الخطوات...

خطوة 7.1.1

اطرح

$15.1$ من

$10$ .

$s = \frac{{(- 5.1)}^{2} + {(11 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.2

ارفع

$- 5.1$ إلى القوة

$2$ .

$s = \frac{26.01 + {(11 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.3

اطرح

$15.1$ من

$11$ .

$s = \frac{26.01 + {(- 4.1)}^{2} + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.4

ارفع

$- 4.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + {(12 - 15.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.5

اطرح

$15.1$ من

$12$ .

$s = \frac{26.01 + 16.81 + {(- 3.1)}^{2} + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.6

ارفع

$- 3.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + {(12 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.7

اطرح

$15.1$ من

$12$ .

$s = \frac{26.01 + 16.81 + 9.61 + {(- 3.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.8

ارفع

$- 3.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.9

اطرح

$15.1$ من

$13$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + {(- 2.1)}^{2} + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.10

ارفع

$- 2.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + {(13 - 15.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.11

اطرح

$15.1$ من

$13$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + {(- 2.1)}^{2} + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.12

ارفع

$- 2.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + {(13 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.13

اطرح

$15.1$ من

$13$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + {(- 2.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.14

ارفع

$- 2.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.15

اطرح

$15.1$ من

$14$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + {(- 1.1)}^{2} + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.16

ارفع

$- 1.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + {(14 - 15.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.17

اطرح

$15.1$ من

$14$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + {(- 1.1)}^{2} + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.18

ارفع

$- 1.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + {(14 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.19

اطرح

$15.1$ من

$14$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + {(- 1.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.20

ارفع

$- 1.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.21

اطرح

$15.1$ من

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.22

ارفع

$- 0.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.23

اطرح

$15.1$ من

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.24

ارفع

$- 0.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.25

اطرح

$15.1$ من

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.26

ارفع

$- 0.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + {(15 - 15.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.27

اطرح

$15.1$ من

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + {(- 0.1)}^{2} + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.28

ارفع

$- 0.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + {(15 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.29

اطرح

$15.1$ من

$15$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + {(- 0.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.30

ارفع

$- 0.1$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.31

اطرح

$15.1$ من

$16$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + {0.9}^{2} + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.32

ارفع

$0.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + {(16 - 15.1)}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.33

اطرح

$15.1$ من

$16$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + {0.9}^{2} + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.34

ارفع

$0.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + {(16 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.35

اطرح

$15.1$ من

$16$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + {0.9}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.36

ارفع

$0.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.37

اطرح

$15.1$ من

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + {1.9}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.38

ارفع

$1.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.39

اطرح

$15.1$ من

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + {1.9}^{2} + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.40

ارفع

$1.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + {(17 - 15.1)}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.41

اطرح

$15.1$ من

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + {1.9}^{2} + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.42

ارفع

$1.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + {(17 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.43

اطرح

$15.1$ من

$17$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + {1.9}^{2} + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.44

ارفع

$1.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + {(18 - 15.1)}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.45

اطرح

$15.1$ من

$18$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + {2.9}^{2} + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.46

ارفع

$2.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + {(18 - 15.1)}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.47

اطرح

$15.1$ من

$18$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + {2.9}^{2} + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.48

ارفع

$2.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + {(25 - 15.1)}^{2}}{25 - 1}$

خطوة 7.1.49

اطرح

$15.1$ من

$25$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + {9.9}^{2}}{25 - 1}$

خطوة 7.1.50

ارفع

$9.9$ إلى القوة

$2$ .

$s = \frac{26.01 + 16.81 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.51

أضف

$26.01$ و

$16.81$ .

$s = \frac{42.82 + 9.61 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.52

أضف

$42.82$ و

$9.61$ .

$s = \frac{52.43 + 9.61 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.53

أضف

$52.43$ و

$9.61$ .

$s = \frac{62.04 + 4.41 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.54

أضف

$62.04$ و

$4.41$ .

$s = \frac{66.45 + 4.41 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.55

أضف

$66.45$ و

$4.41$ .

$s = \frac{70.86 + 4.41 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.56

أضف

$70.86$ و

$4.41$ .

$s = \frac{75.27 + 1.21 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.57

أضف

$75.27$ و

$1.21$ .

$s = \frac{76.48 + 1.21 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.58

أضف

$76.48$ و

$1.21$ .

$s = \frac{77.69 + 1.21 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.59

أضف

$77.69$ و

$1.21$ .

$s = \frac{78.9 + 0.01 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.60

أضف

$78.9$ و

$0.01$ .

$s = \frac{78.91 + 0.01 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.61

أضف

$78.91$ و

$0.01$ .

$s = \frac{78.92 + 0.01 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.62

أضف

$78.92$ و

$0.01$ .

$s = \frac{78.93 + 0.01 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.63

أضف

$78.93$ و

$0.01$ .

$s = \frac{78.94 + 0.01 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.64

أضف

$78.94$ و

$0.01$ .

$s = \frac{78.95 + 0.81 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.65

أضف

$78.95$ و

$0.81$ .

$s = \frac{79.76 + 0.81 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.66

أضف

$79.76$ و

$0.81$ .

$s = \frac{80.57 + 0.81 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.67

أضف

$80.57$ و

$0.81$ .

$s = \frac{81.38 + 3.61 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.68

أضف

$81.38$ و

$3.61$ .

$s = \frac{84.99 + 3.61 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.69

أضف

$84.99$ و

$3.61$ .

$s = \frac{88.6 + 3.61 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.70

أضف

$88.6$ و

$3.61$ .

$s = \frac{92.21 + 3.61 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.71

أضف

$92.21$ و

$3.61$ .

$s = \frac{95.82 + 8.41 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.72

أضف

$95.82$ و

$8.41$ .

$s = \frac{104.23 + 8.41 + 98.01}{25 - 1}$

خطوة 7.1.73

أضف

$104.23$ و

$8.41$ .

$s = \frac{112.64 + 98.01}{25 - 1}$

خطوة 7.1.74

أضف

$112.64$ و

$98.01$ .

$s = \frac{210.65}{25 - 1}$

خطوة 7.2

بسّط العبارة.

انقر لعرض المزيد من الخطوات...

خطوة 7.2.1

اطرح

$1$ من

$25$ .

$s = \frac{210.65}{24}$

خطوة 7.2.2

اقسِم

$210.65$ على

$24$ .

$s = 8.77708\overline{3}$

خطوة 8

قرّب النتيجة.

$s^{2} \approx 8.7771$