数学运算解读课件.ppt

1、/檔名：d:C+03C0301.cpp#include void main()char key;cout key;cout 輸入的鍵是：key endl;/檔名：d:C+03C0302.cpp#include void main()int n11=14,n12=21474836,n13=44;int n21=-889162,n22=9,n23=524;cout n11 t n12 t n13 endl;cout n21 t n22 t n23 endl;/檔名：d:C+03C0303.cpp#include#include void main()int n11=14,n12=21474836,

2、n13=44;int n21=-889162,n22=9,n23=524;cout setw(12)n11 setw(12)n12 setw(12)n13 endl;cout setw(12)n21 setw(12)n22 setw(12)n23 endl;/檔名：d:C+03C0304.cpp#include#include void main()const double PI=3.141592653;cout PI endl;cout setprecision(10)PI endl;cout setprecision(8)PI endl;cout setprecision(6)PI endl;cout setprecision(3)PI endl;cout setprecision(1)PI endl;/檔名：d:C+03C0313.cpp#include void main()int a=1,b=3,c=4;int x=b*b-4*a*c;cout a=a endl b=b endl c=c endl b*b-4*a*c=x endl;