#include int main() { int x=12, y=10; printf("x+y=%d\n", x+y); printf("x-y=%d\n", x-y); printf("x*y=%d\n", x*y); printf("x/y=%f\n", x*1.0/y); printf("x%%y=%d\n", x%y); return 0; } 或者把中间的那段输出语句改成这样的也一样: printf("x+y=%d\nx-y=%d\nx*y=%d\nx/y=%f\nx%%y=%d\n", x+y, x-y, x*y, x*1.0/y, x%y);
