아래 수학문제 답 찾아봤는데

[연부(abcd123412)]

죵나큼 ㅁㅊ;;
졸랭신기..
https://www.quora.com/How-do-you-find-the-positive-integer-solutions-to-frac-x-y+z-+-frac-y-z+x-+-frac-z-x+y-4
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