Question

simplifique as expressões 2^-1+6.(2/3)^-2-(-1/3)^-1

Answer 1

2^-1+6.(2/3)^-2-(-1/3)^-1

2^-1+6.(2/3)^-2-(-1/3)^-1

1 + 6.(9) - (-3)
2        4

1 + 54 + 3 ==> 2+54+12 ==> 68 ==> 17
2     4                      4               4