C語言課程設(shè)計(jì)小學(xué)生四則運(yùn)算

1、#include"stdio.h"#include"stdlib.h"voidmain()inta,b,c,d,e,f,g,t;printf("*歡迎使用！*n");printf("n");printf("1.加法運(yùn)算printf("2.減法運(yùn)算printf("3.乘法運(yùn)算printf("4.除法運(yùn)算n");n");n");n");printf("*scanf("%d",&a);while(a<

2、;1|a>4)printf("輸入錯(cuò)誤,請重新輸入");scanf("%d",&a);if(a=1)請選擇運(yùn)算類型:");printf("5,一位數(shù)加一位數(shù)printf("6,一位數(shù)加兩位數(shù)printf("7,兩位數(shù)加兩位數(shù)n");n");n");printf("*scanf("%d",&a);while(a<5|a>7)printf("輸入錯(cuò)誤,請重新輸入");scanf("%d"

3、,&a);if(a=5)loop:b=rand()%10;c=rand()%10;d=b+c;printf("%d+%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做printf("%d+%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);請輸入題型:");");printf("回答正確

4、!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotoloop;if(f=1)printf("歡迎再次使用！");if(a=6)loo:b=rand()%10;c=rand()%100;if(c<10)c=c+10;d=b+c;printf("%d+%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf(&

5、quot;回答錯(cuò)誤，請重做");printf("%d+%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotoloo;if(f=1)printf("歡迎再次使用！");if(a=7)loog:b=rand()%100;c=rand()%100;if(c

6、<10)c=c+10;if(b<10)b=b+10;d=b+c;printf("%d+%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d+%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題？n");printf(&qu

7、ot;輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotoloog;if(f=1)printf("歡迎再次使用！");if(a=2)printf("5,一位數(shù)減一位數(shù)n");printf("6,兩位數(shù)減一位數(shù)n");printf("7,兩位數(shù)減兩位數(shù)n");printf("請輸入題型:");scanf("%d",&a);while(a<5|a>7)printf("輸入錯(cuò)誤,請

8、重新輸入");scanf("%d",&a);if(a=5)car:b=rand()%10;c=rand()%10;d=b-c;printf("%d-%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d-%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);

9、printf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotocar;if(f=1)printf("歡迎再次使用！");if(a=6)truck:b=rand()%100;if(b<10)b=b+10;c=rand()%10;d=b-c;printf("%d-%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);w

10、hile(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d-%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gototruck;if(f=1)printf("歡迎再次使用！");if(a=7)boat:b=rand()%1

11、00;if(b<10)b=b+10;c=rand()%100;if(c<10)c=c+10;d=b-c;printf("%d-%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d-%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題

12、？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotoboat;if(f=1)printf("歡迎再次使用！");if(a=3)printf("5,一位數(shù)乘一位數(shù)n");printf("6,一位數(shù)乘兩位數(shù)n");printf("7,兩位數(shù)乘兩位數(shù)n");printf("請輸入題型:");scanf("%d",&a);while(a<5|a>7

13、)printf("輸入錯(cuò)誤,請重新輸入");scanf("%d",&a);if(a=5)life:b=rand()%10;c=rand()%10;d=b*c;printf("%d*%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d*%d=?n",b,c);printf("請輸入答案：");scanf(&q

14、uot;%d",&e);printf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotolife;if(f=1)printf("歡迎再次使用！");if(a=6)shame:b=rand()%100;if(b<10)b=b+10;c=rand()%10;d=b*c;printf("%d*%d=?n",b,c);printf("請輸入答案：");scanf(&q

15、uot;%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d*%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotoshame;if(f=1)printf("歡迎再次使用！");

16、if(a=7)yeah:b=rand()%100;c=rand()%100;if(b<10)b=b+10;if(c<10)c=c+10;d=b*c;printf("%d*%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d*%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);pr

17、intf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotoyeah;if(f=1)printf("歡迎再次使用！");if(a=4)printf("5,一位數(shù)除一位數(shù)n");printf("6,兩位數(shù)除一位數(shù)n");printf("7,兩位數(shù)除兩位數(shù)n");printf("請輸入題型:");scanf("%d",&

18、a);while(a<5|a>7)printf("輸入錯(cuò)誤,請重新輸入");scanf("%d",&a);if(a=5)hit:b=rand()%10;c=rand()%10;if(b>c)g=b%c;if(g!=0)b=b-g;d=b/c;printf("%d/%d=?n",b,c);elsed=b/c;printf("%d/%d=?n",b,c);if(c>b)g=c%b;if(g!=0)c=c-g;t=c;c=b;b=t;d=b/c;printf("%d/%d=?n&

19、quot;,b,c);elset=c;c=b;b=t;d=b/c;printf("%d/%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d/%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題？n");printf("輸入

20、0表示是，輸入1表示否n");scanf("%d",&f);if(f=0)gotohit;if(f=1)printf("歡迎再次使用！");if(a=6)haha:b=rand()%100;c=rand()%10;if(b<10)b=b+10;g=b%c;if(g!=0)b=b-g;d=b/c;printf("%d/%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);while(e!=d)printf("回答錯(cuò)誤，請重做");printf("%d/%d=?n",b,c);printf("請輸入答案：");scanf("%d",&e);printf("回答正確!是否做下一題？n");printf("輸入0表示是，輸入1表示否n");scanf("%d",&