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题型:填空题 题类:常考题 难易度:困难
两位数加、减两位数(竖式:含不进、进、不退、退)(复习)2002 10
20-=6
(2)25+=50
(3)38+=50
(4)72-=25
(5)+20=40
50+6= 26-10= 28+30= 35-5= 64-40=
13-4= 7+60= 53-30= 50-6= 40+50=
9+60= 14-8= 5+7= 34-20= 80-50=
17-8+6= 8+(6-5)= 2+(13+7)=
36+40+2= 59-9-20= 30+(11-4)=
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