55-20h=20h+11
h=???
數學題(方程)
2008-02-06 9:30 pm
回答 (10)
2008-02-09 3:22 am
50-20h=20h+11
50-11=20h+20h
39=40h
h=0.975
50-11=20h+20h
39=40h
h=0.975
2008-02-06 11:08 pm
55-20h=20h+11
-20h=20h+11-55
-20h=20h-44
-20h+44=20h
44=-20h+20h
44=2h
44/2=h
h=22
-20h=20h+11-55
-20h=20h-44
-20h+44=20h
44=-20h+20h
44=2h
44/2=h
h=22
參考: me
2008-02-06 9:59 pm
50-20h=20h+11
-20h-20h=11-55
-40+44
40h=44
h=1.1
-20h-20h=11-55
-40+44
40h=44
h=1.1
2008-02-06 9:53 pm
h=1.1
2008-02-06 9:39 pm
55-20h=20h+11
40h=44
h=(44/40)
h=1.1
40h=44
h=(44/40)
h=1.1
收錄日期: 2021-04-13 15:06:04
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080206000051KK01227