把点（2，-3）代入函解析式得-3=m2，解得m=-6．
故答案为：-6．
The cost of equity using the capital asset pricing model (CAPM) approach and the discounted cash flow approach is: CAPMDiscounted Cash Flow（）①A. 16.0%16.0% ②B. 16.0%15.4% ③C. 16.6%15.4%
A. ①
B. ②
C. ③
常用的数据结构模型有层次模型、网状模型、______和面向对象模型。
