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题型:单选题 题类:常考题 难易度:容易
小学数学六年级上册 分数四则混合运算(含分数混合运算及运算律)7656 10 (19)
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×20= - = 10÷ = + = 2.4× =
÷6 = × = ÷ = 0× = ÷=
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