Question

O valor de x-yx-y quando x=2 e y=-2é:

Answer 1

2 - ( - 2 × 2 ) - ( - 2 ) =
2 - ( - 4 ) + 2 =
2 + 4 + 2 =
8

Answer 2

x-yx-y
2-(-2). (2)-(-2)
2+2×2+2
2+4+2
8


espero ter ajudado ; )