You are viewing a single comment's thread from:RE: 能解出来的才是真大神！View the full contextskenan (60)in #cn • 8 years ago (edited)谷歌一搜就可以呀 http://www.wolframalpha.com/input/?i=(702%2F(-390%2B858))%2B(-390%2F(702%2B858))%2B(858%2F(702%2B-390)
不完全正常，要的是正整数解