Question

gostaria dos cálculos de 9/2 de 18

Answer 1

há 3 formas:

1) 9/2 . 18 =   
   4,5 . 18 = 81

2) 9/2 . 18 = 162/2 = 81

3)  1      18
    9/2      x

x = 18 . 9/2
x = 162/2
x = 81

Answer 2

18:2=9 9X9=81 9\12 de 18=81