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题型:解决问题 题类:常考题 难易度:困难
两位数加整十数(不进位)979(10题)
= (人)
67+30={#blank#}2{#/blank#}
45+40={#blank#}3{#/blank#}
78+20={#blank#}4{#/blank#}
30: 20+10 50-30 50-20 20+3
50: 50-10 20+30 56-6 70-50
40: 44-40 44-4 40+0 40+40
6: 56-6 66-6 66-60 26-20
①63+5=
②20+7=
③58-8=
④72-40=
⑤15-9=
⑥36+8=
⑦20+30=
⑧30-5 =
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