https://tw.yahoo.com/home/%E5%8F%B0%E5%8C%97%E8%BB%8A%E7%AB%99%E9%A9%9A%E8%A6%8B-%E9%9D%88%E5%A0%82%E9%A2%A8%E5%B8%82%E9%9B%
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https://www.google.com/amp/s/news.ltn.com.tw/amp/news/society/paper/1629649
■潘文良著作集＞勵益品＞魚雁千里共今緣＞◎劉淑美_009 △給淑美—009-1 (87)1998.05.12.四 11:25:03 ■附錄 ◎滿
1ª. 221,995KM-328KM=221,667KM 2ª. 221,667KM-(14,000KM-9,612KM)=197,999KM