Resolva (Multiplicação e Divisão): A) (+7) ∙ (+ 9) =B) (+ 8) ∙ (– 7) =C) (– 12) ∙ (+ 14)
Resolva (Multiplicação e Divisão): A) (+7) ∙ (+ 9) =
B) (+ 8) ∙ (– 7) =
C) (– 12) ∙ (+ 14) =
D) (– 53) ∙ (– 7) =
E) (– 9) ∙ (- 4) : (– 1) =
F) (+ 6) ∙ (– 6) ∙ (– 2) =
G) (− 3). (−15) : (−5) =
H) 2 ∙ (− 3) ∙ (+ 6) =
I) 436 : (4) =
J) (552) ÷ ( - 24) =
L) (– 750) : (+ 5) =
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