Question

2.9*百分之60+5分之3+1.3/1又3分之2

Answer 1

2.9*百分之60+5分之3+1.3/1又3分之2

=2.8*0.6+0.6+1.3*0.6

=0.6*（2.8+1+1.3）

=0.6*5.1

=3.06