Question

Calcule o valor das expressões abaixo.
a)3-¹+(3/2)-¹
b)8-¹.(2/3)
c)20-¹+2^0
d)(2/3)²-(-2/3)-²
e)5^0+5-¹/5-²
RÁPIDO PFVVVV

Answer 1

A) 3-¹+(3/2)-¹
1/3+2/3=
3/3=1

B) 8-¹x (2/3)
1/8x2/3=
1/4x1/3=
1/12

C) 20-¹+2^0
1/20+1/1=
1/20+20/20=
21/20

D) (2/3)²-(-2/3)-²
4/9-(3/2)²=
4/9-9/4
16/36-81/36=
-65

E) 5^0+5-¹/5-²=
1+1/5/1²/5=
1+1/5/1/25=
1+1/5x25/1=
1+5
=6

Pronto!