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Pre-Algebra Examples

Popular Problems

Evaluate 9-(-12)

$9 - (- 12)$

Step 1

Multiply $- 1$ by $- 12$ .

$9 + 12$

Step 2

Add $9$ and $12$ .

$21$

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

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