C语言简单加减乘除运算.doc

/简单运算加减乘除（C语言）/运行环境VC6.0/作者：summer/#include#include#includeint k;EXIT()exit(0);void list_menu1()printf(-n);printf(n);printf(n);printf(n);printf(n);printf(n); printf(-n);void list_menu2()printf(*n);printf(* 1.0-9运算 *n);printf(* 2.0-99运算 *n); printf(*n); /*生成随机数*/int num0_9() return(rand()%10);int num0_99() return(rand()%100);/*加法运算*/void add1() int x,y,sum;int i;int count=0; for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); void add2() int x,y,sum;int i;int count=0; for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); /*减法运算*/void sub1() int x,y,sum;int i;int count=0;for(i=1;i0.9) printf(very good!n); elseprintf(还要继续训练才行啊!n); void sub2() int x,y,sum;int i;int count=0;for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); /*乘法运算*/void mul1() int x,y,sum;int i;int count=0; for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); void mul2() int x,y,sum;int i;int count=0; for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); /*除法运算*/void div1() int x,y,sum;int i;int count=0; for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); void div2() int x,y,sum;int i;int count=0; for(i=1;i0.9)printf(very good!n);elseprintf(还要继续训练才行啊!n); /*主函数*/main() void add1();void add2();int num0_9(),num0_99();int n,m;printf(请输入你要做的题数n);scanf(%d,&k);dolist_menu1();scanf(%d,&n);getchar();switch(n)case 1:list_menu2();scanf(%d,&m);getchar();switch(m)case 1:add1();break;case 2:add2();break;break;case 2:list_menu2();scanf(%d,&m);getchar();switch(m)case 1:sub1();break;case 2:sub2();break;break;case 3:list_menu2();scanf(%d,&m);getchar();switch(m)case 1:mul1();break;case 2:mul2();break;break;case 4:list_menu2();scanf(%d,&m);getchar();switch(m)case 1:div1();break;case 2:div2();break;break;case 5:printf(谢谢使用!n);while(n!=5); 该程序比较简单，学MFC后做一个界面，实现混合运算，函数sin,con.tan等运算，还可以实现进制转换。比如实现如下：有兴趣的同