计算器 ......\11.cpp ......\11.dsp ......\11.dsw ......\11.ncb ......\11.opt ......\11.plg ......\Debug ......\.....\11.exe ......\.....\11.ilk ......\.....\11.obj ......\.....\11.pch ......\.....\11.pdb ......\.....\vc60.idb ......\.....\vc60.pdb