8分之3乘4分之3+8分之5乘75%
=3/8*3/4+5/8*75/100
=9/32+15/32
=24/32
=3/4
(1+25%)除(1-25%)
=125/100*100/75
=5/3
5除3分之4+3分之1
=5*3/4+1/3
=15/4+1/3
=45/12+4/12
=49/12
8分之3乘4分之3+8分之5乘75%
=3/8*3/4+5/8*75/100
=9/32+15/32
=24/32
=3/4
(1+25%)除(1-25%)
=125/100*100/75
=5/3
5除3分之4+3分之1
=5*3/4+1/3
=15/4+1/3
=45/12+4/12
=49/12