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题型:填空题 题类:常考题 难易度:容易
异分母分数加、减法(不含带分数) 6936
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15个 加上8除5的商,和是( )
①
②
③
④
⑤
⑥5.12+ +3.88+
+ = - = - = - =
1- = 1- - = - = 7÷9=
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