Pré-álgebra Exemplos

$4$ , $8$ , $9$ $5$ , $2$ , $7$ $7$ , $5$ , $8$

Etapa 1

Some as expressões.

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

Etapa 2

Some $4$ e $8$ .

$12 + 9 + 5 + 2 + 7 + 7 + 5 + 8$

Etapa 3

Some $12$ e $9$ .

$21 + 5 + 2 + 7 + 7 + 5 + 8$

Etapa 4

Some $21$ e $5$ .

$26 + 2 + 7 + 7 + 5 + 8$

Etapa 5

Some $26$ e $2$ .

$28 + 7 + 7 + 5 + 8$

Etapa 6

Some $28$ e $7$ .

$35 + 7 + 5 + 8$

Etapa 7

Some $35$ e $7$ .

$42 + 5 + 8$

Etapa 8

Some $42$ e $5$ .

$47 + 8$

Etapa 9

Some $47$ e $8$ .

$55$

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