如7-15分之7-15分之8
如7-15分之7-15分之8
12分之4+13分之7+12分之5+13分之6
越多越好!快
我是让你出题~
12分之4+13分之7+12分之5+13分之6
越多越好!快
我是让你出题~
数学人气:490 ℃时间:2020-01-28 16:11:45
优质解答
6/15-3/12+5/15+7/12=3/22+4/16+8/22+1/4=赠五年级应用题50道:1、在中原路上铺一条地下电缆,已经铺了34 ,还剩下250米没有铺.这条电缆全长多少米 2、修一段路,第一天修了全长的1/4 ,第二天修了90米,这时还剩下150米...
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