Question

atividade complemental
1) resolva
a) (+10)÷(-1)
b) (+18)÷(+9)
c) 3-7×3=
d) 50-25×2
e) 30+8÷(-2)
f) 3×+8-×=50=?
g) 10+8×=50=?
h) 2×-4=8=?
i) 3k-2-2=25=?
J) ×+8×=24=?​

Answer 1

Resposta:

A) = -10

Explicação passo-a-passo:

B) = 2

C) = 3-21 = -18

D) = 50-50 = 0

E) = 30-4 = 26

F) x = 21

G) x = 5

H) x = 6

I) k = 29/3

J) x = 8/3