4.75*1.36*0.375除以4又3/4除以1又9/25除以3/8 怎么简算

问题描述:

4.75*1.36*0.375除以4又3/4除以1又9/25除以3/8 怎么简算

4又3/4=4.75
1又9/25=1.36
0.375=3/8 ,因此可以互相约掉

4.75=19/4
1.36=34/25
0.375=3/8
(19/4)*(34/25)*(3/8)/(19/4)/(34/25)/(3/8)
=(19/4)/(19/4)*(34/25)/(34/25)*(3/8)/(3/8)
=1*1*1=1