２分之1（３w－４）＋２＝４w－５（４分之w＝＋２）
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解方程 急急急急急
2006-12-06 6:18 am
回答 (5)
2006-12-07 3:01 am
✔ 最佳答案
`````２分之1（３w－４）＋２＝４w－５（４分之w＋２）4x[２分之1（３w－４）＋２]=4[４w－５（４分之w＋２）]
```````````````2x（３w－４）+8=16w-20（４分之w＋２)
``````````````````````````````6w-8+8=16w-5w-40
``````````````````````````6w-6w+40=16w-5w-6w+40
``````````````````````````````````````40=5w
```````````````````````````````````40/5=5w/5
```````````````````````````````````````w=8
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2006-12-09 1:29 am
1/2(3w-4)+2=4w-5(w/4+2)
3w-4=8w-10w/4-24
5w=10w/4+20
20w=10w+80
10w=80
w=8
3w-4=8w-10w/4-24
5w=10w/4+20
20w=10w+80
10w=80
w=8
2006-12-06 6:31 am
1/2(3w-4)+2=4w-5(w/4+2)
3w-4=8w-10w/4-24
5w=10w/4+20
20w=10w+80
10w=80
w=8
3w-4=8w-10w/4-24
5w=10w/4+20
20w=10w+80
10w=80
w=8
2006-12-06 6:28 am
(3W-4)/2+2=4W-5(w/4+2)
全條式x4
6w-8+8=16w-20(w/4+2)
6w=16w-5w-40
16w-5w-6w=40
5w=40
w=8
全條式x4
6w-8+8=16w-20(w/4+2)
6w=16w-5w-40
16w-5w-6w=40
5w=40
w=8
2006-12-06 6:23 am
do u mean .5(3w-4) + 2 = (4w-5)? if so, w is 2. I dont get what you mean by "（４分之w＝＋２）"
收錄日期: 2021-04-13 16:21:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061205000051KK04845