Question

efetue as multiplicações :
a )10 . 4/5
b) 7/3.2/5

Answer 1

a) 40/5
b) 14/15

ou, simplificada:
a) ÷5 = 8/1

Answer 2

a)  10/1.4/5    10.4=40   1.5=5     10.4/5=40/5 ou 8/1

b) 7/3.2/5    7.2=14      3.5=15     7/3.25=14/15