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列竖式计算:(带*号要验算) 3.25×8=50.4÷48=1.21...

3.25×8=2650.4÷48=1.051.21×18=21.78验算:4.4÷50=0.0885.06×13=65.7840.5÷18=2.25验算:.

2.35×1.2=2.82 验算: 2个 乘数交换位置再算一遍。 0.21÷0.025=8.4

(1)21×23=483;(2)782÷6=130…2;(3)128÷4=32;

4.21-1.28=2.93验算:78×24=1872验算:50.9+0.47=51.37验算:642÷8=80.25验算:29×72=2088验算:758÷5=151.6验算:9.24-0.69=8.55验算:23.56+12.48=36.04验算:

(1)21×4=84 2 1× 4 . 8 4 (2)72×3=216 7 2× 3. 2 1 6 (3)9×47=423 4 7× 9. 4 2 3 (4)132÷6=22 2 261 3 2 1 2 1 2 1 2 0(5)669÷6=111…3 1 1 1 66 6 9 6 6 6 9 63(6)424÷8=53 5 38

2.7 ÷7.5=0.36 0.36 - - - - - - - -

(1)21×23=483; (2)782÷6=130…2; (3)128÷4=32;

(1)2.4+4.56=6.96 验算: (2)100-21.35=78.65 验算: (3)8.5-6.69=1.81 验算:

用竖式计算,要验算 1.236×21= 2.756÷36=鲁雁...( 1、2两题保留两位小数,3、4两题要验算)①2....2015-02-07 列竖式计算,带☆的要验算. 305×40=...

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