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7.2/0.4怎么列竖式

列竖式计算2.5ⅹ(0.7ⅹ0.4) =5/2×0.28 =5×0.14 =0.7

10 -7.2 ---- =2.8

(1)73.1×2.5=182.75; .36 5 5 146 2.182.7 5(2)0.7×50.6=35.42; 5 0.6.35.4 2(3)12.6×2.65=33.39; 1 2.6 .6 3 0 7 5 625 2.33.3 9 0(4)5.16×3.5=18.06; 5.1 6 .2 5 8 0 15 4 8.18.0 6 0(5)0.26×0.45=0.117; 0.26 .1 30 104.0.11 ...

(1)73.1×2.5=182.75; . 36 5 5 146 2 . 182.7 5 (2)0.7×50.6=35.42; 5 0.6 . 35.4 2 (3)12.6×2.65=33.39; 1 2.6 . 6 3 0 7 5 625 2 . 33.3 9 0 (4)5.16×3.5=18.06; 5.1 6 . 2 5 8 0 15 4 8 . 18.0 6 0 (5)0.26×0.45=0.117; 0.26...

(1)0.42×0.75=0.315验算:(2)15.4÷2.1=7…0.7验算:

没有指明哪两个数相乘,无法作答

无法列竖式。

(1)2.05×0.36=0.738,(2)0.09×7.2=0.648,(3)0.9÷0.25=3.6,(4)0.928÷0.29=3.2,.

4.25 × 2.6 = 11.05 1.92 × 3.5 = 6.72 15.8 × 7.2 = 113.76 7.04 × 5.8 = 40.832 0.62 × 4.9 = 3.038 竖式见图:

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