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列竖式计算,要求验算的要验算.3.45×0.36 ...

3.45×0.36=1.2421.2×5.65=6.78 109.2÷0.42=2602.091÷1.02=2.050.2223÷0.65≈0.34

①74.8÷0.22=340; 340 22 7480 66 88 88 0 验算: 340 × 0.22 . 680 680 74.80 3.45×1.4=4.83; 3.45 × 1.4 . 1380 345 4.830 验算: 1.4 × 3.45 . 70 56 42 4.830 ②1.296÷0.18=7.2; 7.2 18 129.6 126 36 36 0 3.12×0.9≈2.8. 3.12 × 0.9 . 2....

(1)208×36=7488; 208× 361248624 7488;验算: 36 ×208 28872 7488;(2)6124÷45=136…4, 136456124 45 162 135 274 270 4;验算: 136 ×45680544 6120+ 46124;(3)11520÷24=480; 4802411520 96 192 192 0;验算: 480 ×2419296 11520;...

6.45x3.2怎么验算竖式 6.45x3.2=20.64 验算:

3.45x0.36=1.242 竖式如下:

16.78+3.45=(用竖式计算并验算) 16.78+3.45=20.23 验算:

问: 2.8*3.45的验算方法 答: 2.8×3.45=9.66 验算: 9.66÷3.45=2.8 2.8 3.45√———— 9.66 答题完毕,谢谢采纳

供参考

①0.27×0.45=0.1215; 0.2 7×0.4 5 . 1 3 5 1 0 80.1 2 1 5②3.05×2.4=7.32; 3.0 5× 2.4 . 1 2 2 0 6 1 0 7.3 2 0验算: 2.4×3.0 5 . 1 2 0 7 2 7.3 2 0③0.51÷0.12=4.25. 4.2 5 125 1 4 8 3 0 2 4 6 0 6 0 0④6.24÷0.4=15.60. 15.6 46 2.4 4 2 2...

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