3分之2-6分之1=4/6-1/6=3/6=1/2
(3分之2-6分之1)/5=(1/2)/5=1/10
所以原式=(3/4)/(1/10)=15/2
即15分之2
祝你开心!
3/4/{(2/3-1/6)/5}
=3/4/{(4/6-1/6)/5}
=3/4/(1/2/5)
=3/4/(1/2*1/5)
=3/4/1/10
=3/4*10
=15/2
(3/4)/[(2/3-1/6)/5]
=(3/4)/[(4/6-1/6)/5]
=(3/4)/[(3/6)/5]
=(3/4)/(1/10)
=15/2
15/2