题型:单选题
难度:0.65
引用次数:510
题号:19935987
定义一种新的运算:如果,则有
,那么
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30b4f33654c2bfd94ac3bd680e6bfab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e244d02d1efe3aed603501fbd72f007.png)
A.![]() | B.![]() | C.![]() | D.4 |
更新时间:2023-08-22 17:04:10
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