Question

Efetue as multiplicações fazendo as simplificações possíveis.
A ) 2/9 × 1/4
B ) 2/3 × 7/5 × 10/21
C ) 5 × 3/7 × 2

Answer 1

a) 2/9 × 1/4 = 2/36 = 1/18

b) 2/3 × 7/5 × 10/21 = 140/315 = 28/63

c)5×3/7×2 = 30/7