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请问这题用增量法行吗？把n边型向内平移一个最小长度dn，使得n边形恰好变成n-1变形；然后算出每点的坐标，算出d n-1，最后变成一个三角形，加上它的内切圆半径，这样做行吗？ Followed by: Post your reply here: |
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