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题型:计算题 题类: 难易度:普通
【小白鸥-情境题】数学北师大六上主题情境大单元整合复习——比、分数、除法
①
②
①;②
÷ = × = 2- - = ÷25%= × × =
- = 1÷ = × = 15÷ = 7×65%=
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