Basic Math Examples

1

$1$ ,

2

$2$ ,

3

$3$ ,

5

$5$ ,

8

$8$

Step 1

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

\frac{1 + 2 + 3 + 5 + 8}{5}

$\frac{1 + 2 + 3 + 5 + 8}{5}$

Step 2

Simplify the numerator.

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Step 2.1

Add

1

$1$ and

2

$2$ .

\frac{3 + 3 + 5 + 8}{5}

$\frac{3 + 3 + 5 + 8}{5}$

Step 2.2

Add

3

$3$ and

3

$3$ .

\frac{6 + 5 + 8}{5}

$\frac{6 + 5 + 8}{5}$

Step 2.3

Add

6

$6$ and

5

$5$ .

\frac{11 + 8}{5}

$\frac{11 + 8}{5}$

Step 2.4

Add

11

$11$ and

8

$8$ .

\frac{19}{5}

$\frac{19}{5}$

\frac{19}{5}

$\frac{19}{5}$

Step 3

Divide.

3.8

$3.8$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$