Basic Math Examples

$7 + 2 + (7 + 5)$

Step 1

Remove parentheses.

$7 + 2 + 7 + 5$

Step 2

Add $7$ and $2$ .

$9 + 7 + 5$

Step 3

Add $9$ and $7$ .

$16 + 5$

Step 4

Add $16$ and $5$ .

$21$

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