How to solve this equation??
20+b=120%b
b=?
Maths questions??(7)
2006-12-09 4:58 am
回答 (6)
2006-12-09 5:01 am
✔ 最佳答案
20 +b = 120%b20 +b = 1.2b
20 = 1.2b - b
20 = 0.2 b
20/0.2 = b
b = 100
2006-12-23 5:25 pm
20 +b = 120%b
20 +b = 1.2b
20 = 1.2b - b
20 = 0.2 b
20/0.2 = b
b = 100
20 +b = 1.2b
20 = 1.2b - b
20 = 0.2 b
20/0.2 = b
b = 100
2006-12-15 10:48 pm
b=100
easy~
easy~
2006-12-09 6:30 am
20 +b = 120%b
20=120%b-100%b
20 =1/5b
100=b
20=120%b-100%b
20 =1/5b
100=b
2006-12-09 5:02 am
20+b=1.2b
20=0.2b
b=100
20=0.2b
b=100
收錄日期: 2021-04-11 16:29:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061208000051KK04071