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0.75*18/0.15列竖式

0.75×18/0.15 =0.75×18÷0.15 =0.75×1800 ÷ 15 = 0.75×120 =90 竖式见图:

0.75乘十八除以0点15 =0.75÷0.15x18 =5x18 =90

0.75÷0.15 = 5本题除得尽:

15/18.75 = 0.8

0.15*28=15/100*28=21/5

0.0092

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

0.18×8.45=1.521 0.18 × 8.45 —————— 90 72 144 —————— 1.5210 验算: 8.45 ———— 18 ) 152.1 144 ———— 81 72 ———— 90 90 ———— 0 4.5×0.002=0.009 4.5 × 0.002 —————— 0.0090 验算: 4.5 ———— 2 ) 9 8 ———— 10 10 ———— 0 0.072×0.15=0.0108 0.0...

0.25×0.15=0.0375 仅供参考

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