Pre-Algebra Examples

$\frac{9}{20} = \frac{9 \cdot 10}{20 \cdot 10}$

Step 1

The left side $0.45$ is equal to the right side $0.45$ , which means that the given statement is always true.

True

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