Question

(9分之8+3分之1)乘以72% 4分之3除以（75％+4分之1） 0.625乘以5.6+4.3乘以8分之5+0.1乘以

Answer 1

（1）（8/9+1/3）×72%

=11/9×18/25

=22/25.

（2）3/4÷（75%+1/4）

=3/4÷1

=3/4.

(3)0.625×5.6+4.3×5/8+0.1×62.5%

=0.625×(5.6+4.3+0.1)

=0.625×10

=6.25

其中：0.75=3/4,

5/8=0.625

62.5%=0.625.