Question

calcule1/3 de 42
1/8 de 92
4/5 de 65
9/7 de 63

Answer 1

$\dfrac{1}{3}\times42 = \dfrac{42}{3} = \boxed{14}\\\\ \dfrac{1}{8}\times92 = \dfrac{92}{8} = \dfrac{46}{2} = \boxed{23}\\\\ \dfrac{4}{5}\times65 = \dfrac{260}{5} = \boxed{52}\\\\ \dfrac{9}{7}\times63 = \dfrac{567}{7} = \boxed{81}$

Bons estudos!

Answer 2

1  de 42 = 42*1 = 14*1 = 14
3               3

1  de 92 = 92*1 = 11,5*1 = 11,5
8               8

4 de 65 = 65*4 = 13*4 = 52
5              5

9 de 63 = 63*9 = 9*9 = 81
7              7