咪啦拉
幼苗
共回答了20个问题采纳率:85% 举报
=solve('1.5^2*b*b^2/6-(b-2*0.005)*(1.5*b-2*0.005)^3/6/1.5/b=9744/160000000','b')
b =
.78979850291756959710384394832687e-1
-.18430487978484710980936135662933e-4
-.67850308692667363888292347585915e-1
-3000000000000000000000000000000.0
1年前
8