Question

1) CALCULE
a) (-3) (4)
(-4) (-2)
d) (-8). (3)
e) (6).(-5) -
2) Vamos Calcular:
a) (+6). (+3). (+10) =
b) (-5). (-7). (-4) =
c) (-6). (-3). (-5). (+4) =
d) (-3). (+7).(-2).(-6).(-1) =​

Answer 1

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◾ Resposta :

1.

a)

$- 3 \times ( - 4) =$

$\red{ \boxed{ ♠12}}$

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

b)

$- 4 \times ( - 2) =$

$\red{ \boxed{♠8}}$

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d)

$- 8 \times 3 =$

$\red{ \boxed{ </strong><strong>♠</strong><strong>- 24}}$

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

e)

$6 \times ( - 5) =$

$\red{ \boxed{</strong><strong>♠</strong><strong> - 30}}$

••••••••••••••••••••••••••••••••••••••

2)

a)

$6 \times 3 = 18$

$18 \times 10 =$

$\red{ \boxed{</strong><strong>♠</strong><strong>180}}$

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

b)

$- 5 \times ( - 7) = 35$

$35 \times ( - 4) =$

$\red{ \boxed{ </strong><strong>♠</strong><strong>- 140}}$

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

c)

$- 6 \times ( - 3) = 18$

$18 \times ( - 5) = - 90$

$- 90 \times 4 =$

$\red{ \boxed{ </strong><strong>♠</strong><strong>- 360}}$

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

d)

$- 3 \times 7 = - 21 \\ \\ - 21 \times ( - 2) = 42 \\ \\ 42 \times ( - 6) = - 252 \\ \\ - 252 \times ( - 1) =$

$\red{ \boxed{</strong><strong>♠</strong><strong>252}}$

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◾ Explicação:

• Lembre-se sempre de fazer o jogo dos sinais.

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Bons estudos!

Especialista Cebolinha.

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