问题
单项选择题
The function * is defined by the equation
, where a≠b. Which of the following has a value of 3
答案
参考答案:C
解析: 把五个选项中的数分别代入运算符所代表的式子可发现:[*]
The function * is defined by the equation
, where a≠b. Which of the following has a value of 3
参考答案:C
解析: 把五个选项中的数分别代入运算符所代表的式子可发现:[*]