Question

Calcule o valor das expressões:
=
a) (-4/3)2 - 1 =
b) 3/2 + (-1/2)2 -8 =
c) (1 - 12)2 + (-1 + 12)3 =
d) (1 + 1/2)2 - /4=​

Answer 1

A) (-4×3)×2-1=

(-12)×2-1=

-24-1=

-25

B) 3×2+(-1×2)×2-8=

6+(-2)×2-8=

6-4-8=

-6

C) (1-12)×2+(-1+12)×3=

-11×2+11+3=

11(-2+3)=

11×1=

11

D) (1+1×2)2-4=

(1+2)×2-1=

3×2-4=

6-2=

2