0.00325/0.013 / (0.22-0.2065)/(3.6*0.015)=?

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0.00325/0.013/(0.22-0.2065)/(3.6*0.015)=?0.00325/0.013/(0.22-0.2065)/(3.6*0.015)=?0.00325/0.013/(0.2

0.00325/0.013 / (0.22-0.2065)/(3.6*0.015)=?
0.00325/0.013 / (0.22-0.2065)/(3.6*0.015)=?

0.00325/0.013 / (0.22-0.2065)/(3.6*0.015)=?

0.00325/0.013 / (0.22-0.2065)/(3.6*0.015)
=0.25 / (0.0135)/(0.054)
=500/27/0.054
=250000/729

342.9355281207133

17.31 先做出0.22-0.2065 = 0.0135 然后(3.6*0.015)分之0.00325 ,先找出3.6*0.015 = 0.054 再来0.054 分之0.00325 = 0.06 所以成