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题型:综合题 题类:常考题 难易度:普通
分数的加法和减法(复习)7415 10
+ = + = + = 1- =
- = - = + = 1- =
25+39= 400-230= 54÷9= 7×6+49=
500×6= 0×99= 62-18= 88-56÷8=
380+240= 64÷8= 120×5= 56-(12+30)=
59-24+30=
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