10 2020 档案

摘要：#include<stdio.h> #include<stdlib.h> int main() { printf("My stuno is 202083450075\n"); printf("我对2020想说的话：2020再创佳绩\n"); system("pause"); return 0; } 阅读全文

摘要：#include<stdio.h> int main() { float x,y; float r1,r2,r3,r4; x=1; y=2; r1=x+y; r2=x-y; r3=x*y; r4=x/y; printf("r1=%f\n",r1); printf("r2=%f\n",r2); pri 阅读全文