Maths problem how to do?
回答 (1)
2019-07-25 11:54 am
✔ 最佳答案
9^(x + 2) = 369^x = 4 / 9
3^x = 2 / 3 #
收錄日期: 2021-04-24 07:35:22
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https://hk.answers.yahoo.com/question/index?qid=20190724232829AAdux6J