1+1點解等於2, 唔係等於1, 1x1點解等於1, 唔係等於2,
2+2同2x2點解等於4, 唔係等於10?
收錄日期: 2021-04-13 14:22:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071108000051KK01838