Question

2) Resolva as expressões numéricas.
a) 12 + 5*(-4) + 3
b) -3x3+4x8
c) + 3 - 5 * 8 + 4
d) + 15 - 14 + 20 x 2​

Answer 1

Resposta:

A) 12 +(-20) + 3

15 - 20 = -5

B) -9 + 32 = 23

C) 3 -40 + 4

-40 + 7 = -33

D) 15 - 14 + 40

55 - 14 = 41