分类：教育/科学-理工学科-数学
问题：六年级奥数[50%/0.625+(2又1/3
[50%/0.625+(2又1/3-1又1/5)*3/7]/4又1/6
回答：=[4/5+17/35]/(25/6)
=(9/7)/(25/6)
=54/175