{"trustable":false,"sections":[{"title":"题目描述","value":{"format":"MD","content":"输入正整数k,找到所有的正整数x和y,满足 x ≥ y时1/k\u003d1/x+1/y。"}},{"title":"输入格式","value":{"format":"MD","content":"若干个正整数k (0 \u003c k ≤ 10000)。"}},{"title":"输出格式","value":{"format":"MD","content":"对于每个正整数k,第一行输出共有几组解n,后接下来的n行每行一组解,每组解按照样例给出的格式进行输出。"}},{"title":"输入样例","value":{"format":"MD","content":"2\n12"}},{"title":"输出样例","value":{"format":"MD","content":"2\n1/2 \u003d 1/6 + 1/3\n1/2 \u003d 1/4 + 1/4\n8\n1/12 \u003d 1/156 + 1/13\n1/12 \u003d 1/84 + 1/14\n1/12 \u003d 1/60 + 1/15\n1/12 \u003d 1/48 + 1/16\n1/12 \u003d 1/36 + 1/18\n1/12 \u003d 1/30 + 1/20\n1/12 \u003d 1/28 + 1/21\n1/12 \u003d 1/24 + 1/24"}}]}