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#2
peach54602013-02-17 16:43
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f(x,y)=(5x²+3y)(4x-5y)
输入X和Y的值就会知道结果
5x² 是5x的平方
[ 本帖最后由 fox744 于 2013-2-17 16:18 编辑 ]
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#2
peach54602013-02-17 16:43
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#3
yuccn2013-02-17 17:30
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#4
逆风而前2013-02-19 09:24
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#5
yuyilahanbao2013-02-20 11:47
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