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题型:单选题 题类:常考题 难易度:普通
2019-2020学年人教版六年级上册数学冲刺专题:基本概念
÷4= × = 1.8÷ =
÷ = ÷25%= 6×(1﹣30%)=
×4= - = × =
3.6× = ÷ = ÷ =
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