Pré-álgebra Exemplos

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

Etapa 1

Some $4$ e $5$ .

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

Etapa 2

Some $9$ e $7$ .

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

Etapa 3

Some $16$ e $8$ .

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

Etapa 4

Some $24$ e $2$ .

$26 + 5 + 9 + 7 + 8$

Etapa 5

Some $26$ e $5$ .

$31 + 9 + 7 + 8$

Etapa 6

Some $31$ e $9$ .

$40 + 7 + 8$

Etapa 7

Some $40$ e $7$ .

$47 + 8$

Etapa 8

Some $47$ e $8$ .

$55$

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