how many non-congruent triangles with perimeter 11 have inte

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how many non-congruent triangles with perimeter 11 have integer side lengths 中文意思
英语翻译题

边长是整数,周长为11的不全等的三角形有几个?
一共有这么多种整数三边
1,1,9#
1,2,8#
1,3,7#
1,4,6#
1,5,5
2,2,7#
2,3,6#
2,4,5
3,3,5
3,4,4
因为两边之和必大于第三边,去掉两边之和小于第三边的情况,还剩下4种
很可能答案是错误的喔
1,5,5
3,4,4
5,3,3
4,2,5

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