void main() { int a,b,c; printf("please enter 3 numbers:"); scanf("%d,%d,%d",&a,&b,&c); printf("a+b
int a,b,c;
printf("please enter 3 numbers:");
scanf("%d,%d,%d",&a,&b,&c);
printf("a+b+c=%d\n",a+b+c);
输入40,50,60