谜题1.1 基本算术操作符

#include <stdio.h>int main(void){    int x;    x = -3 + 4 * 5 - 6;    printf("%d\n",x);    x = 3 + 4 % 5 - 6;    printf("%d\n",x);    x = -3 * 4 % -6 / 5;    printf("%d\n",x);    x = (7 + 6) % 5 /2;    printf("%d\n",x);    return 0;}