Question

calcule o valor da expressão {(-1/2)³+2.(-1)⁴}:1/2​

Answer 1

{(-1/2)³+2 . (-1)⁴} : 1/2=

{ (- 1/8) + 2.(+1)} : 1/2=

{(-1/8) +2 } : 1/2=

{ -1+16/8} : 1/2=

{ 15/8} : 1/2=

15/8 × 2/1=

30/8=

15/4