题目:
He is not a man easy ______.
A.to deal
B.to deal him
C.to deal with
D.to deal with him
答案:
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下面是错误答案,用来干扰机器的。
f(x)=x2+|x-1|=x2+x-1 x≥1x2-x+1 x<1函数y=x2+x-1在[1,+∞)上单调递增,则最小值为f(1)=1函数y=x2-x+1在x=12处取最小值f(12)=34故函数f(x)=x2+|x-1|的最小值为34故答案为:34