Question

a) ( - 2) . (- 5) = b) ( - 3) . (+ 3) = c) ( - 4) . (+ 1) = d) ( + 3) . (+ 3) = e) 7 . (+ 3) = f) – 8 . (+ 3) = 2) Resolva as divisões abaixo: a) ( - 20) : (- 5) = b) ( - 39) : (+ 3) = c) ( - 4) : (+ 1) = d) ( + 3) : (- 3) = e) - 70 . (+ 7) = f) – 6 . (+ 2) = 3) Resolva as expressões abaixo: a) ( - 20 + 2) : (- 6 + 3) b) (- 1) (- 4) : 4 c) 3 – (+5) (- 10) d) - 20 : ( - 5)(+1)

Answer 1

Resposta:

1.....

a) (-2).(-5)

   +10

b) (-3).(+3)

 -6

c) (-4).(+1)

   -4

d) (+3).(+3)

  +6

e) 7.(+3)

  +21

f) -8.(+3)

  -48

 

Answer 2

Resposta:

minha pica

Explicação passo-a-passo:

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