Question

Efetuar as multiplicações (simplificar antes de multiplicar quando for possivel) a) 4/9 . 3/12 b) 6/25 . 1/7 . 5/12 c) 3/5 . 4/7

Answer 1

A) 4/9 x 3/12 (1/4 simplificando)

4/9 x 1 /4 = 1/9

B) 6/25 x 1 /7 x 5/12 = 1 / 70

C)3/5 x 4/7 =12/35