- if dy/dx=根号(1-y^2),then d^2y/dx^2=?PPBC中国植物图像库if dy/dx=根号(1-y^2),then d^2y/dx^2=?[标签：dy,dx,根号]转问给好友 ℡·MiSs宝ル 回答:0 人气:10 提问时间:2011-04-10 02:12 为避免你的答案被删除，...
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