Question

Resolva as expressões:
  a)(+6) . (-2) . (-3) . (+5)  
b)5 +12: (-2) – 3 . (-1)  
c) (+10) − (+8) − (−18) + (−6)  
d) −5 ∙ (4 − 12 ∶ 2)  
e) (−1) + (−7) ∶ (−2)   f) 2 + √9 ∙ (−2)
-com cálculos​

Answer 1

Explicação passo-a-passo:

a)(-12).(-15)=180

b)5-6+3=+2

C)+2-(+24)=2-24=-22

d) -5.(4-6)=-5.(-2)=-10

e)(-1)+3,5=+2,5

f) 2+3.(-2)=2-6=-4