Question

1- Resolva aplicando princípio da divisão com números inteiros:

A) (+9) : (-9)

B) (-112) : (-56)

C) (-48) : (+12) ​

Answer 1

Resposta:

a) -1

b) 2

c) -4

Explicação passo a passo:

utilizando a regra dos sinais:

+ com - = -

- com - = +

+ com + = +

Answer 2

$a)\\\frac{9}{-9}\\\\=-\frac{9}{9}\\\\\frac{9}{9}=1\\\\=-1$

$b)\\\frac{-112}{-56}\\\\=\frac{112}{56}\\\\\frac{112}{56}=2\\\\=2$

$c)\\\frac{-48}{12}\\\\=-\frac{48}{12}\\\\\frac{48}{12}=4\\\\=-4$