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题型:填空题 题类: 难易度:困难
重庆两江新区华师中旭学校2023-2024学年二年级上学期数学定时作业
①58+27=
②90-56=
③74-13-18=
④48+25-56=
⑤81-(26+37)=
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)=
90-25= 36+47= 48+16-29=
63-28= 55-(28+18)= 90-(72-38)=
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