Question

calcule 8^2 - (-5)^2 + 3^1 + 4^0 + 2^-1.

Answer 1

Olá,

8^2 - (-5)^2 + 3^1 + 4^0 + 2^-1

64 - (-5)^2 + 3^1 + 4^0 + 2^-1

64 - 25 + 3^1 + 4^0 + 2^-1

39 + 3^1 + 4^0 + 2^-1

39 + 3 + 4^0 + 2^-1

42 + 4^0 + 2^−1

42 + 1 + 2^−1

43 + 2^−1

43 + 1/2

87/2