定义运算“@”的运算法则为:[email protected]=,则([email protected])@4=________.

发布时间:2020-08-08 16:33:31

定义运算“@”的运算法则为:[email protected]=,则([email protected])@4=________.

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解析分析:由[email protected]=,首先求得[email protected]的值,继而可求得([email protected])@4的值.

解答:∵[email protected]=,
∴([email protected])@4=@[email protected]==0.
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