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题型:填空题 题类:常考题 难易度:普通
异分母分数加、减法(不含带分数) 6922
=
20×6= 35×20= 23×30= 20×18= 15×10=
51×12= 5-2.3= 6.1-5.8= 13.5+10= 8.3+6.7=
14.8+1.5= 5.3-1.9= - = + =
1- = + = + = 1- =
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