Pré-álgebra Exemplos

$(2.3 x - 1.2 y) + (1.4 x + 3.7 y)$

Etapa 1

Remova os parênteses.

$2.3 x - 1.2 y + 1.4 x + 3.7 y$

Etapa 2

Some $2.3 x$ e $1.4 x$ .

$3.7 x - 1.2 y + 3.7 y$

Etapa 3

Some $- 1.2 y$ e $3.7 y$ .

$3.7 x + 2.5 y$

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