[4-(4分之3-8分之3)]×29分之4 (能简便的要简便)

问题描述:

[4-(4分之3-8分之3)]×29分之4 (能简便的要简便)

[4-(4分之3-8分之3)]×29分之4
=[4-(3/4-3/8)]×4/29
=[4-3(1/4-1/8)]×4/29
=[4-3/8]×4/29
=(32-3)/8×4/29
=29/8×4/29
=1/2