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题型:填空题 题类:常考题 难易度:容易
分数除以整数(不含带分数)7244
除以它的倒数,商是1.
× = ÷ = +65%=
1-63%= 45÷45% = ×62.5% =
38﹣19=
2.5×4=
=
9﹣0.9=
125×60%=
7.2÷0.4=
4.5a﹣a=
1÷10+=
()×12=
×3÷=
×0=
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