题目14.（4.0分）若函数z=f(x,y)在P(x_(0),y_(0))处可微，则该函在P(x_(0),y_(0))点处一定连续A. 对B. 错14.（4.0分）若函数$z=f(x,y)$在$P(x_{0},y_{0})$处可微，则该函在$P(x_{0},y_{0})$点处一定连续A. 对B. 错题目解答答案A. 对