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列竖式计算.791÷7= 209÷3= 840÷5= 562÷4= 824÷8=...

791÷7=113; 11377917 9 7 21 21 0209÷3=69…2; 69320918 29 27 2840÷5=168; 16858405 3430 40 40 0562÷4=140…2; 14045624 16 16 2824÷8=103; 103 88248 24 24 0验算:103 ×8824,846÷6=141; 14168466 24 24 6 60,验算:141 ×6846.

好的时候45

164÷4=41 414164 16 4 40;605÷5=121 1215605 5 10 10 5 50;980÷7=140 1407980 7 28 28 0;32÷3=10…2 10332 30 2;*39÷2=19…1 19239 2 19 18 1验算: 19 ×238

164÷4=41605÷5=121980÷7=14032×12=38439×27=105383×41=3403209÷3=69…2验算:791÷7=113验算:615÷3=205验算:

(1)708×4=2832(2)456÷4=114验算:(3)497×3=1491(4)791÷6=131…5验算:

791除3就是3除以791 你说的是791除以3吧 791 ÷ 3 = 263.6(6上面点个点,表示6循环) 竖式见图:

(1)2.64×1.7-2.64×0.7 =2.64×(1.7-0.7) =2.64×1 =2.64 (2)31.5×1.07-3.15×0.7 =3.15×10.7-3.15×0.7 =3.15×(10.7-0.7) =3.15×10 =31.5 (3)2.7×5.7-2.7+5.3×2.7 =2.7×(5.7-1+5.3) =2.7×10 =27 (4)0.625÷0.125×0.8 =(0.625×0.8)×8÷...

791÷7=113 1 1 377 9 1 7 9 7 2 1 2 1 0605÷5=121 1 2 156 0 5 5 1 0 5 1 0 5 50980÷7=140 1 4 079 8 0 7 2 8 2 8 039×27=1053 3 9×2 7. 2 7 3 7 81 0 5 3验算:

791除3就是3除以791 你说的是791除以3吧 791 ÷ 3 = 263.6(6上面点个点,表示6循环) 竖式见图:

(1)2.64×1.7-2.64×0.7 =2.64×(1.7-0.7) =2.64×1 =2.64 (2)31.5×1.07-3.15×0.7 =3.15×10.7-3.15×0.7 =3.15×(10.7-0.7) =3.15×10 =31.5 (3)2.7×5.7-2.7+5.3×2.7 =2.7×(5.7-1+5.3) =2.7×10 =27 (4)0.625÷0.125×0.8 =(0.625×0.8)×8÷...

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