Question

Calcule o valor das expressões 70-(72+(5×2-1)+6=?

Answer 1

70 - (72 + (10 -1) + 6 = 
70 - 72 + 9 + 6 = 
-2 + 15 = 13         ok

Answer 2

70-(72+(5x2-1)+6 =
70-(72+(10-1)+6
70-(72+9)+6
70-81+6
-5