Question

7- Efetue as subtrações
a) (5) - (8)
C) (-4) - (2)
e) (-18) - (-5)
b)(1)-(-8)
d) (-1)-(-5)
f) (-2) - (-8)​

Answer 1

Resposta:

-3

-6

-13

9

4

6

Explicação passo-a-passo:

menos com menos dá mais

Answer 2

Hello human...

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Resultados

$\color{orange}\textsf{\Large - 3}$

$\color{orange}\textsf{\Large - 6}$

$\color{orange}\textsf{\Large - 13}$

$\color{orange}\textsf{\Large 9}$

$\color{orange}\textsf{\Large 4}$

$\color{orange}\textsf{\Large 6}$

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Regra dos Sinais

Sinais — com — o resultado será +

Sinais + com + o resultado será +

Sinais — com + o resultado será —

Sinais + com — o resultado será —

Passo a passo

• $\color{gold}{\large (5) - (8)} \\ \color{gold}{\large 5 - 8} \\ \color{gold}{\large - 3}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• $\color{gold}{\large ( - 4) - (2)} \\ \color{gold}{\large - 4 - 2} \\\color{gold}{\large - 6}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• $\color{gold}{\large ( - 18) - ( - 5)} \\ \color{gold}{\large - 18 + 5} \\ \color{gold}{\large - 13}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• $\color{gold}{\large (1) - ( - 8)} \\ \color{gold}{\large 1 + 8} \\ \color{gold}{\large 9}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• $\color{gold}{\large ( - 1) - ( - 5)} \\ \color{gold}{\large - 1 + 5} \\ \color{gold}{\large 4}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• $\color{gold}{\large ( - 2) - ( - 8)} \\ \color{gold}{\large - 2 + 8} \\ \color{gold}{\large 6}$