Pre-Algebra Examples

$4 + 5 + 7 + 8 + 2 + 5 + 9 + 7 + 8$

Step 1

Add $4$ and $5$ .

$9 + 7 + 8 + 2 + 5 + 9 + 7 + 8$

Step 2

Add $9$ and $7$ .

$16 + 8 + 2 + 5 + 9 + 7 + 8$

Step 3

Add $16$ and $8$ .

$24 + 2 + 5 + 9 + 7 + 8$

Step 4

Add $24$ and $2$ .

$26 + 5 + 9 + 7 + 8$

Step 5

Add $26$ and $5$ .

$31 + 9 + 7 + 8$

Step 6

Add $31$ and $9$ .

$40 + 7 + 8$

Step 7

Add $40$ and $7$ .

$47 + 8$

Step 8

Add $47$ and $8$ .

$55$

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