试题 试卷
题型:计算题 题类:常考题 难易度:普通
分数四则混合运算(含分数混合运算及运算律)7643
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×2.8 = - × = ÷ = ÷3= =
120× = 18× × = 1÷ = ÷ = 0÷ =
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