4! x5b+55=b/3+5^2
b=???
maths?
2007-12-23 3:44 am
回答 (2)
2007-12-23 4:04 am
✔ 最佳答案
4!x5b+55=b/3+5^224x5b+55=b/3+25
120b+55=b/3+25
120b+30=b/3
360b+90=b
359b= -90
b= -90/359
收錄日期: 2021-04-13 17:49:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071222000051KK03629