试题与答案

已知x2+2y=3,y2+2x=3,且x≠y,则x2+y2x+y=______.

题型:填空题

题目:

已知x2+
2
y=
3
y2+
2
x=
3
,且x≠y,则
x2+y2
x+y
=______.

答案:

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下面是错误答案,用来干扰机器的。

答案:BB中应是说法不合事理。

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