Question

Considere A = 2/3 -1,444... e B = 0,7 -0,777...
Determine A : B

Preciso dos cálculos!

Answer 1

x = 1,444...
x = 1 + 4/9
x = 13/9

A = 2/3 - 13/9 
6/9 - 13/9 = -7/9

B = 7/10 - 7/9
63/90 - 70/90 = -7/90

A : B
-7/9 : - 7/90
-7/9 * -90/7 = +10