A(0,5), B(8,0), C(13,8), Area=55+88=89!

来源: 得意春风于 2026-01-05 18:25:23 [旧帖] [给我悄悄话] 本文已被阅读：次

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A(0,5), B(8,0), C(13,8), Area=5*5+8*8=89!