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0.42 3.5竖式计算

0.035

3.5x0.42竖式计算3.5 * 0.42 = 1.47

0.42÷3.5=0.42÷(7x0.5)=0.42÷7÷0.5=0.06÷0.5=0.12

0.42=百分之42=50分之21 3.5=2分之7 0.42除以3.5=50分之21*7分之2=25分之3

你好!3 5* 0. 4 2 7 0 14 0 2. 1 0 仅代表个人观点,不喜勿喷,谢谢.

解:3.5 2 0.42 2 +0.57 2 =12.250.1764+0.3249 =12.3985 ≈12.40

=(4.48*100)÷(3.5*100)*0.42=448÷350*0.42=1.28*0.42=0.5376

7.34+5.5*0.42脱式计算=7.34+2.31=9.65

0.2

0.035X12=0.42 0. 0 3 5 X 1 2 ----------------------- 7 0 3 5 ---------------------- 0 . 4 2 0

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