Question

Observe as sentenças matemática: I) (- 8) : (+8) = + 1 II) - 12 + 10 = - 2 III) (+1) . (- 2) . (+ 3) = - 6 IV) – 10 + 2 . (- 5) = 0 Assinale a alternativa correta:

a) V,F,F,V
b) V,V,V,F
c) V,F,F,V
d) F,V,V,F

Answer 1

$( - 8) \div ( + 8) = - 1 \\ \\ - 12 + 10 = - 2 \\ \\ ( + 1) \times ( - 2) \times ( + 3) = - 6 \\ \\ - 10 + 2 \times ( - 5) = - 20$

F, V, V, F.

Letra d