#include <stdio.h>
2
3 int main()
4 {
5 int p,q,r,s,count = 0;
6
7 printf("The 4 fractions which sum is equal are:\n");
8
9 for(p = 2;p < 5;p++)
10 {
11 for(q = p;q < 7;q++)
12 {
13 for(r = q;r < 13;r++)
14 {
15 if(p * q * r - q * r - p * r - p * q != 0)
16 {
17 s=(p * q * r) / (p * q * r - q * r - p * r - p * q);
18
19 if( !((p * q * r) % (p * q * r - q * r - p * r - p * q)) && s >= r)
20 {
21 printf("[%2d] 1/%d + 1/%d + 1/%d + 1/%d = 1\n",++count,p,q,r,s);
22 }
23 }
24 }
25 }
26 }
27 return 0;
28 }
分数之和。
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转载自blog.csdn.net/weixin_42720729/article/details/81319967
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