解
(2/4x+1)-(1/4x-1)=3
解方程一條~~
2007-03-21 5:56 am
回答 (8)
2007-03-21 6:01 am
✔ 最佳答案
2 1-------－-----=3
4x+1 4x-1
2 1
-------＋-----=3
4x+1 4x+1
3
-------=3
4x+1
3(4x+1)=3
12x+3=3
12x=0
x=0
2007-03-20 22:04:11 補充：
如果用另一個方法， 2 1---- 1－----－1=34x 4x2 1-----=3 1-1 4x2 1-----=3 4x2 1=12x12x=3x=1/4
參考: 自己
2007-03-25 2:49 am
(2/4x+1)-(1/4x-1)=3
(2/4x+1-1)-(1/4x-1+1)=3
2/4x-1/4x=3
1/4xx4=3x4
x=12
(2/4x+1-1)-(1/4x-1+1)=3
2/4x-1/4x=3
1/4xx4=3x4
x=12
2007-03-23 12:34 am
(2/4x+1)-(1/4x-1)=3
(2/4x+2)-(1/4x-1)=3
2/4x+2-1/4x+1=3
1/4x+3=3
x+12=12
x=0
or
(2/4x+1)-(1/4x-1)=3
(2/4x+2)-(1/4x-1)=3
2/4x+2-1/4x+1=3
1/4x=0
1/4x*4/1=0*4/1
x=0
(2/4x+2)-(1/4x-1)=3
2/4x+2-1/4x+1=3
1/4x+3=3
x+12=12
x=0
or
(2/4x+1)-(1/4x-1)=3
(2/4x+2)-(1/4x-1)=3
2/4x+2-1/4x+1=3
1/4x=0
1/4x*4/1=0*4/1
x=0
參考: me
2007-03-21 6:09 am
(2/4x+1)-(1/4x-1)=3
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2007-03-21 6:04 am
(2/4x+1)-(1/4x-1) =3
1/2x+1/2-1/4x-1/4 =3
1/4x+1/4 =3
1/4x =3 1/4
0.25x =3.25
x =13
x=13
1/2x+1/2-1/4x-1/4 =3
1/4x+1/4 =3
1/4x =3 1/4
0.25x =3.25
x =13
x=13
2007-03-21 6:03 am
(2÷4×4＋1)-(1÷4×4-1)
2007-03-21 6:02 am
2/4x+1 -1/4+1 =3
1/4x+1=3
1/4x=2
x=8
2007-03-20 22:04:34 補充：
對唔住 ,睇多左1/4x +2 =31/4x =1x=4
1/4x+1=3
1/4x=2
x=8
2007-03-20 22:04:34 補充：
對唔住 ,睇多左1/4x +2 =31/4x =1x=4
2007-03-21 6:01 am
(2/4x+1)-(1/4x-1)=3
2/4x+1-1/4+1=3
1/4x+2=3
1/4x=1
x=4
搞掂囉
2/4x+1-1/4+1=3
1/4x+2=3
1/4x=1
x=4
搞掂囉
收錄日期: 2021-04-12 18:48:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070320000051KK04333