3-2分之3*21分之10-7分之2
=3-7分之5-7分之2
=3-(7分之5+7分之2)
=3-1
=2
猜你喜欢
- 1Wang Lin is back home and preparing supper with his mother.
- 2He is on the school basketball team.（L ） most of us,he likes his school very much.
- 3The old man may is a doctor.改错
- 4I'd like to join the sporst Club because I like running（对划线部分提问 ）
- 5“粘贴”念zhan还是nian
- 6小明和小亮有一些玻璃球,小明说：“你的球的个数比我少四分之一.”小亮说：“把你的六分之一给我,我就
- 7水可以溶解下面那些物质?食盐,高锰酸钾,白糖,面粉,菜油,醋,土块,洗衣粉,
- 828分之11乘33分之8等于几（要过程）
- 91.甲乙两队合修一条路甲队修了全路的100之24是乙队的5分之3乙队比甲队多修了5分之4千米这条路多少千米?
- 10已知:等腰三角形ABC的周长为28cm,底与腰的比为3:2求△ABC各个的长