Basic Math Examples

11

$11$ ,

11

$11$ ,

12

$12$ ,

12

$12$ ,

13

$13$ ,

13

$13$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

\frac{11 + 11 + 12 + 12 + 13 + 13}{6}

$\frac{11 + 11 + 12 + 12 + 13 + 13}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add

11

$11$ and

11

$11$ .

\frac{22 + 12 + 12 + 13 + 13}{6}

$\frac{22 + 12 + 12 + 13 + 13}{6}$

Step 2.2

Add

22

$22$ and

12

$12$ .

\frac{34 + 12 + 13 + 13}{6}

$\frac{34 + 12 + 13 + 13}{6}$

Step 2.3

Add

34

$34$ and

12

$12$ .

\frac{46 + 13 + 13}{6}

$\frac{46 + 13 + 13}{6}$

Step 2.4

Add

46

$46$ and

13

$13$ .

\frac{59 + 13}{6}

$\frac{59 + 13}{6}$

Step 2.5

Add

59

$59$ and

13

$13$ .

\frac{72}{6}

$\frac{72}{6}$

\frac{72}{6}

$\frac{72}{6}$

Step 3

Divide

72

$72$ by

6

$6$ .

12

$12$