【单选题】【消耗次数:1】
自然数里,a=2,f (x,y)=x+y,g (x,y)=x·y,F (x,y): x=y。公式“<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />xF(f(x,x),g(x,x))”的真值:
0
1
2
不确定
参考答案:
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相关题目
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