1-u/2=4/9 u=?
7/10=s/4+3/8s=/
v*(1+10%)=121 V=?
(w+2/3)*7=5.6 w=?
請寫下過程
Primary6方程
2007-04-28 2:29 am
回答 (2)
2007-04-28 4:01 pm
1-u/2=4/9
1=4/9+u/2
5/9=u/2
10/9=u
u=10/9
2.7/10=s/4+3/8
13/40=s/4
52/40=s
s=13/10
3.v*(1+10%)=121
11v/10=121
11v=1210
v=110
4.(w+2/3)*7=5.6
w+2/3=8/10
w=24-20/30
w=2/15
1=4/9+u/2
5/9=u/2
10/9=u
u=10/9
2.7/10=s/4+3/8
13/40=s/4
52/40=s
s=13/10
3.v*(1+10%)=121
11v/10=121
11v=1210
v=110
4.(w+2/3)*7=5.6
w+2/3=8/10
w=24-20/30
w=2/15
參考: me
2007-04-28 2:35 am
1-u/2=4/9
u/2=5/9
u=10/9
7/10=s/4+3/8
s/4=13/40
s=13/10
v*(1+10%)=121
v*(110/100)=121
v=110
(w+2/3)*7=5.6
w+2/3=0.8
w+2/3=4/5
w=2/15
u/2=5/9
u=10/9
7/10=s/4+3/8
s/4=13/40
s=13/10
v*(1+10%)=121
v*(110/100)=121
v=110
(w+2/3)*7=5.6
w+2/3=0.8
w+2/3=4/5
w=2/15
收錄日期: 2021-04-13 00:23:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070427000051KK03028