問(wèn)答題設(shè)函數(shù)f(x)在[0,1]上非負(fù)連續(xù),且f(0)=f(1)=0,則對(duì)任意的實(shí)數(shù)a(0<a<1),必有實(shí)數(shù)x0(0≤x0<1),使f(x0+a)=f(x0).

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