請問:
30000(1+3n/100)-30000=30
中如何計算n?請列步驟,thanks!
一條代數問題,超急!!!!!!!!!!
2008-07-15 4:47 am
回答 (3)
2008-07-15 8:27 am
30000(1+3n/100)-30000=30
30000X3n/100=30
300X3N=30
30N=1
N=1/30
30000X3n/100=30
300X3N=30
30N=1
N=1/30
2008-07-15 7:43 am
2008-07-15 4:58 am
30000(1+3N/100)-30000=30
30000[(1+3N/100)-1]=30
-(1+3N/100)=30/30000
30X100=30000X(1+3N)
3000=30000+90000N
3000-30000=90000N
-27000=90000N
-27000/90000=N
-3/10=N
30000[(1+3N/100)-1]=30
-(1+3N/100)=30/30000
30X100=30000X(1+3N)
3000=30000+90000N
3000-30000=90000N
-27000=90000N
-27000/90000=N
-3/10=N
收錄日期: 2021-04-23 23:08:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080714000051KK02869