Basic Math Examples

$| - 40 | - 21$

Step 1

The absolute value is the distance between a number and zero. The distance between $- 40$ and $0$ is $40$ .

$40 - 21$

Step 2

Subtract $21$ from $40$ .

$19$

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