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题型:填空题 题类:常考题 难易度:普通
两位数加、减两位数(竖式:含不进、进、不退、退)(复习) 2012 10
34+2929+34
80-40+991-52
①24+13-15=
②92-35+26=
③56-14+35=
④32+27+33=
⑤45+20-18=
⑥80-25-14=
28+15÷3 33-(54-32) (70-21)÷7
72-18+29 24÷6×4 (76-69) ×7
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