計算 (5g-6h)to the power 2 - 16(4g-3h)to the power 2
請例明步驟
麻煩哂~~
收錄日期: 2021-04-16 23:47:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070225000051KK02614