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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) 6930
=
X={#blank#}1{#/blank#}
+ = - = + = 2- =
- = + = + - = 3- - =
6.75+2.25= 1.02-0.6= 0.7÷0.01= 4.5+ =
2.5×12= 46×10%= + = 4-1÷3=
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