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2006-11-24 05:36 PM COFFEE`
F.1數

x -x-1/2=2 -x+2/3

x=?

X同-X-1/2係兩舊數
2同-X+2/3係兩舊數

[[i] 本帖最後由 COFFEE` 於 2006-11-24 06:11 PM 編輯 [/i]]

2006-11-24 05:42 PM Hiu_-細曉
可能係x=1.5
唔知架
我都f.1

2006-11-24 05:44 PM crazygirl
我計到x=9
唔知岩唔岩
試下衣個啦~
我刀係F.1

2006-11-24 05:44 PM COFFEE`
[quote]原帖由 [i][曉東子][/i] 於 2006-11-24 05:42 PM 發表
可能係x=1.5
唔知架
我都f.1 [/quote]
唔岩呀
計到我都頭都爆呀

2006-11-24 05:46 PM COFFEE`
[quote]原帖由 [i]crazygirl[/i] 於 2006-11-24 05:44 PM 發表
我計到x=9
唔知岩唔岩
試下衣個啦~
我刀係F.1 [/quote]
都唔岩呀

2006-11-24 05:47 PM crazygirl
[quote]原帖由 [i]COFFEE`[/i] 於 2006-11-24 05:46 PM 發表

都唔岩呀
唉 [/quote]
我複檢一次仙
等我~

2006-11-24 05:51 PM crazygirl
對唔住啦∼
真係唔識呀sor~

2006-11-24 05:52 PM COFFEE`
[quote]原帖由 [i]crazygirl[/i] 於 2006-11-24 05:51 PM 發表
對唔住啦∼
真係唔識呀sor~ [/quote]
算啦
我自己都唔識啦

2006-11-24 05:57 PM crazygirl
coffee~here?
i want to ask you something

2006-11-24 05:58 PM COFFEE`
[quote]原帖由 [i]crazygirl[/i] 於 2006-11-24 05:57 PM 發表
coffee~here?
i want to ask you something [/quote]

咩事呀!?

2006-11-24 05:58 PM crazygirl
你form.1用邊本數學書呀?

2006-11-24 05:59 PM COFFEE`
[quote]原帖由 [i]crazygirl[/i] 於 2006-11-24 05:58 PM 發表
你form.1用邊本數學書呀? [/quote]
Mathematics in Action

而家用緊1A

2006-11-24 06:00 PM crazygirl
係唔係迦密柏雨中學架?
我果本係:New Trend Mathematics

2006-11-24 06:01 PM COFFEE`
[quote]原帖由 [i]crazygirl[/i] 於 2006-11-24 06:00 PM 發表
係唔係迦密柏雨中學架? [/quote]
唔係呀
我係觀中

2006-11-24 06:02 PM CsHcScSpcp
我雖然係f.2
但呢條math 都ok...
我就計都
x=5.5
我check 過la....岩ga...
條式:
x-x-1/2=2-x+2/3
-1/2 =2-x+2/3
-1/2*3=2-x+2
-1.5=2-x+2
x=2+2+1.5
x=5.5

......努力呀!!!!!!

[[i] 本帖最後由 CsHcScSpcp 於 2006-11-24 06:09 PM 編輯 [/i]]

2006-11-24 06:04 PM cat.
-del    

[[i] 本帖最後由 cat. 於 2006-11-24 06:08 PM 編輯 [/i]]

2006-11-24 06:05 PM cat.
[quote]原帖由 [i]CsHcScSpcp[/i] 於 2006-11-24 06:02 PM 發表
我雖然係f.2
但呢條math 都ok...
我就計都
x=5.5
唔知岩唔岩呢??? [/quote]
我都係計到5.5
3(-1) = 2( 4-x )
-3 = 8 - 2x
-2x = -11
x=5.5 ?

2006-11-24 06:10 PM COFFEE`
[quote]原帖由 [i]CsHcScSpcp[/i] 於 2006-11-24 06:02 PM 發表
我雖然係f.2
但呢條math 都ok...
我就計都
x=5.5
我check 過la....岩ga...
條式:
x-x-1/2=2-x+2/3
-1/2 =2-x+2/3
-1/2*3=2-x+2
-1.5=2-x+2
x=2+2+1.5
x=5.5

......努力呀!!!!!! [/quote]
都係唔岩呀
計死我啦

2006-11-24 06:12 PM cat.
[quote]原帖由 [i]COFFEE`[/i] 於 2006-11-24 06:10 PM 發表

都係唔岩呀
計死我啦 [/quote]
如果係呢條數既話,個ans應該係5.5wo
一係你check下你有冇打錯條式?_?

2006-11-24 06:14 PM COFFEE`
[quote]原帖由 [i]cat.[/i] 於 2006-11-24 06:12 PM 發表

如果係呢條數既話,個ans應該係5.5wo
一係你check下你有冇打錯條式?_? [/quote]
我冇打錯呀
但係我禁計數機
兩邊唔一樣

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