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题型:填空题 题类:常考题 难易度:容易
两位数减整十数(不退位)999(10题)
74-3=
74-30=
36-20=
36-2=
54-20=
54-2=
87-4-20=
87-40-2=
①79–9=
②63+30=
③86–53=
④54+5=
⑤99–96=
⑥25+52=
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