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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 (9)
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- = + = - = 2+ = - =
- = +0.4= + = -0.1= + + =
-x=
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