Question

1.4分之3×（5分之2－3分之1）+8分之7÷2分之1=（

Answer 1

1.3/4x(2/5-1/3)+7/8÷1/2

=3/4x2/5-3/4x1/3+7/8x2/1

=3/10-1/4+7/4

=0.3+3/2=1.8

2.3.2x4/5x7/8

=3.2x7/10

=3.2x0.7=2.24

3.3.5-2/3+3/5

=3.5-10/15+9/15

=35/10+1/15

=105/30+2/30

=107/30=3又17/30