Д(sh)W(xu)֪Rc(din)2
鿴(425) ؏(f)(0) |
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l(f) 2016-04-14 15:32
_O(sh)(sh)f(x)]^(q)g[ab]Bm(x)(ab)_^(q)g(ab)ϿɌ(do)f(a)=f(b)ôٴһc(din)Ρ(ab)ʹf()=0_Է(sh)W(xu)__֪lxf(x)[ab]Bm(x)Bͬc(din)ڃ(ni)ǟop϶;f(x)ڃ(ni)(ab)Ɍ(do)y=f(x)ÿһc(din)̎о;f(a)=f(b)ĸ(ֱAB)ƽxS;_ĽY(ji)Փֱxǣ(ab)(ni)ҵһc(din)ʹf()=0һc(din)обʞ0ĶоƽڸABcxSƽС
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