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题型:填空题 题类:常考题 难易度:容易
两位数减两位数(不退位)1227(10题)
3+32=
76-3=
5+44=
78-40=
47-5=
62+8=
63-20=
6+50=
21+60=
47-9=
34+8=
49-9=
⑴20+8+1 40 ⑵60+20 52
46-4-2 29 40+7 5
28-(5+3) 30 45-40 80
37-(11-4) 20 2+50 47
20-{#blank#}1{#/blank#}=16+{#blank#}2{#/blank#}
8+{#blank#}3{#/blank#}=24-{#blank#}4{#/blank#}
2{#blank#}5{#/blank#}-8=18-{#blank#}6{#/blank#}
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