→ erastone:找赫哲拿題庫 推 61.230.3.14 04/19
→ bryan7404:先做重點整理,再把公式推導加背熟 推 220.139.45.129 04/19
→ arluba:上智數學~~!! 推 140.114.216.90 04/19
→ TerenceHan:推上智數學 推140.138.244.155 04/19