4( )4÷47,把47看作50试商,商8,但小了,需改商9.( )里最小填多少?
4( )4÷47,把47看作50试商,商8,但小了,需改商9.( )里最小填多少?
数学人气:715 ℃时间:2019-11-14 01:49:43
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4( )4÷47,把47看作50试商,商8,但小了,需改商9.( )里最小填5
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