问答题
f(x)=xm(1-x)n,m与n为正整数
问答题f(x)=xm(1-x)n,m与n为正整数
f(x)=∣x-1/2∣
问答题f(x)=∣x-1/2∣
f(x)=(x-1)3
问答题f(x)=(x-1)3