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#2
djxh777102008-10-26 19:05
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编写程序实现函数
1 (当X>0)
Y= 0 (当X=0)
9 (当X<0)
谢谢
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#2
djxh777102008-10-26 19:05
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#3
djxh777102008-10-26 19:06
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#4
vfdff2008-10-27 01:00
回复 1# zfzdhz 的帖子
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#5
ass7547545632008-10-28 12:43
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