4. x/3 - x/2 = 1
(x/3 - x/2) X 6 = 1 X 6
2x - 3x = 6
-x = 6
x = -6
WHY 係2x - 3x 唔係3x - 2x 既
收錄日期: 2021-04-13 13:52:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071010000051KK02576