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题型:填空题 题类:常考题 难易度:困难
两位数减两位数(不退位)1234(9题)
6+4=
46+40=
27-2=
27-20=
3+65=
30+65=
89-5=
89-50=
20+7 = 30-20 = 90+9= 60-30 = 24+6 =
51+8= 7+83= 85-5 = 90-70= 45+20=
96-7 = 65+20= 39+8= 4+65=
18+50-7= 80-60+35= 90-(60+30)= 63-(76-70)=
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