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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) 6937
,C{#blank#}1{#/blank#}1
,D{#blank#}2{#/blank#}1
+ = - = - = 1- - =
0.8- = 2- = +0.75= + - =
5.3×20%=
3÷0.3=
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