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题型:单选题 题类: 难易度:容易
西师大版六年级上册数学第六单元分数混合运算基础练习
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× =( )
1÷ = + = × = ×12× =
2÷40%= ÷3= ﹣ = + + + =
方法不合理的同学是( )
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