Question

Calcule a expressão a seguir:
2^-1 - (-2)^2 + 2
_____________
23 + 2^-2

Answer 1

2^-1-(-2)^2+2
__________
23+2^-2

1/2-4+2
______
23+1/4

1-8/2+2
______
92+1/4

-9/2+2
______
93/4

-9+4/2
_____
93/4

-5/2
___
93/4

-5x93
_____
2x4

-465
____
8

-58,125