极差问题\Debug\vc60.pdb ........\.....\极差.exe ........\.....\极差.obj ........\.....\极差.pdb ........\极差.cpp ........\极差.dsp ........\极差.dsw ........\极差.exe ........\极差.ncb ........\极差.opt ........\极差.plg ........\极差问题.ppt ........\极差问题.txt ........\Debug 极差问题