(一) 試計算下列各題
1. X + 5 = 12 2. 7.6 + X =
3. n - 8 = 22 4. y ÷ 6 = 12
5. 7m + 6m + 8=34 6.4.9 + n = 11.7
收錄日期: 2021-04-23 20:57:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070228000051KK02445