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1628: 求立方根

风之缘 | 2008-06-13 20:00:37 | delete | edit
我吐血哟.竟然将%.6lf一直写成了%6.lf..害我错了N次...郁闷.. 
zlw | 2007-12-13 19:00:56 | delete | edit
因为库函数里面pow(a,double(1)/3)中a的要求是>=0 
qzp19880502 | 2007-12-13 18:51:03 | delete | edit
为什么用库函数求的立方根交上去是错的 

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