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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) 6931
=
325-198= 0.24×5= + = 28×25%=
0.22= 0.5- = ÷ = × ÷ × =
+ = - = - = - =
1- = 1- - = - = 7÷9=
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