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一、列竖式计算(带星号的要求验算)
*2345+602= *9000-8234= *5690+783= 6972-6798= 9270+199=
* 639÷9= 378÷9= 808÷3= *420÷4= 906÷6=
*700÷5= 783÷4= *852÷4= 413÷3= * 908÷2=
8.3-2.9 9+2.3= 7.9+3.6= 9-7.6=
二、脱式计算
1240-168÷7 675+301×6 435÷5×9 (2128+128)÷8
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122+27×14 97×63-200 45+17×63 27+69×15
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72÷4×18 (636+228)÷4 827-48×14 78×19÷3
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