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题型:单选题 题类:常考题 难易度:普通
分数除以整数(不含带分数)7280
﹣ = ÷2= 9.42÷3.14= 5﹣1.4= + ﹣ =
44÷ = 40× = 2× = 9÷ = 1﹣ × =
22÷20%=
=
我发现了:( )
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