Pre-Algebra Examples

$1.17 + (1.3) (1.2) - 1.31$

Step 1

Multiply $1.3$ by $1.2$ .

$1.17 + 1.56 - 1.31$

Step 2

Add $1.17$ and $1.56$ .

$2.73 - 1.31$

Step 3

Subtract $1.31$ from $2.73$ .

$1.42$

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