Basic Math Examples

12

$12$ ,

15

$15$

Step 1

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

\frac{12 + 15}{2}

$\frac{12 + 15}{2}$

Step 2

Add

12

$12$ and

15

$15$ .

\frac{27}{2}

$\frac{27}{2}$

Step 3

Divide.

13.5

$13.5$

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

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