(嚙踝蕭嚙瑾嚙踝蕭嚙踝蕭嚙瑾嚙羯)嚙瑾嚙踝蕭嚙誹唸極嚙踝蕭嚙踝蕭嚙踝蕭i嚙皚嚙複橘蕭嚙瘩...(嚙踝蕭嚙瘡嚙瞌嚙踝蕭嚙踝蕭)
2010-8-17 14:30
anxty
(嚙踝蕭嚙瑾嚙踝蕭嚙踝蕭嚙瑾嚙羯)嚙瑾嚙踝蕭嚙誹唸極嚙踝蕭嚙踝蕭嚙踝蕭i嚙皚嚙複橘蕭嚙瘩...(嚙踝蕭嚙瘡嚙瞌嚙踝蕭嚙踝蕭)
嚙緘嚙瘩=3=嚙瘩嚙諍係嚙磊嚙踝蕭,嚙緯嚙瘩嚙踝蕭x...嚙踝蕭嚙踝蕭嚙踝蕭嚙篇嚙皚嚙踝蕭嚙踝蕭嚙箴嚙緹嚙踝蕭嚙篁...3x嚙瘦嚙論係嚙踝蕭L嚙踝蕭嚙線嚙皚...
[URL=http://img208.imageshack.us/i/32131111.png/][IMG]http://img208.imageshack.us/img208/9325/32131111.png[/IMG][/URL]
2010-8-17 14:33
wang
2x+15=3x
(嚙踝蕭嚙諉係)
2010-8-17 14:35
anxty
嚙稷嚙稻 #2 wang 嚙踝蕭嚙踝蕭嚙締
嚙踝蕭嚙磐=_=""3x+15' =/= 3x...嚙稽嚙踝蕭嚙瞌= =嚙瞇嚙踝蕭3x嚙瘦嚙踝蕭嚙線,嚙磐嚙踝左嚙瘦嚙踝蕭嚙線...嚙踝蕭嚙確嚙踝蕭嚙踝蕭3x嚙踝蕭嚙諉大嚙盤2x+15'
2010-8-17 14:37
嚙瞑嚙踝蕭
2X+15=3X
X=15 = =?
3x>2x+15
x>15 = =
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� 嚙瞑嚙踝蕭 嚙踝蕭 2010-8-18 11:30 嚙編嚙踝蕭 [/i]]
2010-8-17 14:38
wang
嚙稷嚙稻 #3 anxty 嚙踝蕭嚙踝蕭嚙締
簡嚙踝蕭嚙踝蕭,嚙踝蕭嚙踝蕭嚙踝蕭茬嚙踝蕭嚙踝蕭嚙踝蕭p?
2010-8-17 14:41
anxty
嚙稷嚙稻 #5 wang 嚙踝蕭嚙踝蕭嚙締
嚙踝蕭...(嚙緬
2010-8-17 14:42
anxty
嚙稷嚙稻 #4 嚙瞑嚙踝蕭 嚙踝蕭嚙踝蕭嚙締
3x < 180(嚙瞇嚙踝蕭3x嚙瘦嚙踝蕭嚙線嚙磐嚙箠嚙踝蕭嚙踝蕭嚙線)
2010-8-17 14:53
kimwong3252000
嚙踝蕭嚙盤嚙踝蕭嚙踝蕭嚙瘩?
嚙線嚙磐嚙緻嚙確嚙踝蕭?
2010-8-17 14:57
嚙誹歌嚙瘦嚙誹在
嚙豎姐嚙磐嚙踝蕭嚙踝蕭嚙踝蕭= ="
2010-8-17 15:17
aidan10896
嚙踝角...(嚙緬
===========
嚙璀嚙瞋嚙踝蕭
3X=180嚙踝蕭?
1X=60
2X=120= ="
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� aidan10896 嚙踝蕭 2010-8-17 15:21 嚙編嚙踝蕭 [/i]]
2010-8-17 15:18
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]aidan10896[/i] 嚙踝蕭 2010-8-17 15:17 嚙緻嚙踝蕭
嚙踝角...(嚙緬 [/quote]
anxty嚙豌哨蕭嚙磐嚙踝角= =
嚙磐嚙踝蕭嚙磐2x+15=3x
x=/=15
2010-8-17 15:21
wang
[quote]嚙趣帖嚙踝蕭 [i]kimwong3252000[/i] 嚙踝蕭 2010-8-17 15:18 嚙緻嚙踝蕭
anxty嚙豌哨蕭嚙磐嚙踝角= =
嚙磐嚙踝蕭嚙磐2x+15=3x
x=/=15 [/quote]
嚙誹迎蕭嚙豌係嚙踝蕭嚙磐嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙瘩
嚙緘嚙瘦嚙踝蕭嚙磐,嚙誹又嚙豌要嚙踝蕭嚙緯嚙踝蕭2嚙踝蕭嚙緘嚙賠歹蕭{
2010-8-17 15:24
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]wang[/i] 嚙踝蕭 2010-8-17 15:21 嚙緻嚙踝蕭
嚙誹迎蕭嚙豌係嚙踝蕭嚙磐嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙瘩
嚙緘嚙瘦嚙踝蕭嚙磐,嚙誹又嚙豌要嚙踝蕭嚙緯嚙踝蕭2嚙踝蕭嚙緘嚙賠歹蕭{ [/quote]
嚙踝蕭F.1嚙線嚙磐嚙褒過vert. opp. angle
F.1 d嚙踝蕭嚙瘢嚙罵嚙踝蕭嚙踝蕭= =
2010-8-17 15:27
wang
[quote]嚙趣帖嚙踝蕭 [i]kimwong3252000[/i] 嚙踝蕭 2010-8-17 15:24 嚙緻嚙踝蕭
嚙踝蕭F.1嚙線嚙磐嚙褒過vert. opp. angle
F.1 d嚙踝蕭嚙瘢嚙罵嚙踝蕭嚙踝蕭= = [/quote]
嚙複橘蕭睇嚙踝蕭嚙緯嚙踝蕭嚙緯嚙踝蕭,嚙踝蕭嚙線嚙豎要嚙瑾嚙踝蕭嚙諸就簡嚙踝蕭
嚙磐嚙磐嚙誹地嚙豌多嚙踝蕭,嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭
嚙踝蕭嚙盤嚙踝蕭嚙瞎嚙豌哨蕭嚙踝蕭
2010-8-17 15:27
aidan10896
[quote]嚙趣帖嚙踝蕭 [i]kimwong3252000[/i] 嚙踝蕭 2010-8-17 15:24 嚙緻嚙踝蕭
嚙踝蕭F.1嚙線嚙磐嚙褒過vert. opp. angle
F.1 d嚙踝蕭嚙瘢嚙罵嚙踝蕭嚙踝蕭= = [/quote]
嚙緹嚙箭嚙踝蕭F.1 嚙線嚙踝蕭嚙盤嚙踝蕭嚙踝蕭嚙踝蕭(嚙羯
2010-8-17 15:29
wilson29
2X+15/2=3X
(嚙踝蕭嚙磊嚙踝蕭
(嚙踝蕭
2010-8-17 15:30
kimwong3252000
嚙踝蕭覺嚙緻嚙踝蕭嚙諉係anxty嚙篇嚙罵d嚙踝蕭
2010-8-17 15:34
aidan10896
[quote]嚙趣帖嚙踝蕭 [i]kimwong3252000[/i] 嚙踝蕭 2010-8-17 15:30 嚙緻嚙踝蕭
嚙踝蕭覺嚙緻嚙踝蕭嚙諉係anxty嚙篇嚙罵d嚙踝蕭 [/quote]
嚙踝蕭嚙豌係,嚙誹第一嚙踝蕭睇嚙踝蕭嚙篁嚙磐 2x+15 = 3x
嚙穀嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭琱S嚙踝蕭3x=180o
2010-8-17 15:37
anxty
嚙稷嚙稻 #8 kimwong3252000 嚙踝蕭嚙踝蕭嚙締
嚙瘩x...(嚙緬
2010-8-17 15:38
anxty
嚙稷嚙稻 #11 kimwong3252000 嚙踝蕭嚙踝蕭嚙締
嚙磐嚙踝頂嚙踝蕭=_="嚙踝蕭嚙磐2x+15' =/= 3x
2010-8-17 15:38
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]anxty[/i] 嚙踝蕭 2010-8-17 15:37 嚙緻嚙踝蕭
嚙瘩x...(嚙緬 [/quote]
嚙豎會嚙踝蕭嚙罵嚙磐嚙盤嚙踝蕭嚙踝蕭D (嚙踝蕭
2010-8-17 15:40
anxty
嚙稷嚙稻 #17 kimwong3252000 嚙踝蕭嚙踝蕭嚙締
嚙瞇嚙篇嚙緘嚙踝蕭=3=
2010-8-17 15:40
wilson29
嚙稷嚙稻 #21 kimwong3252000 嚙踝蕭嚙踝蕭嚙締
嚙瑾嚙緩嚙瞌~嚙誹迎蕭嚙瑾嚙羯嚙踝蕭嚙瞌嚙緻嚙踝蕭(嚙瘢嚙磐
2010-8-17 15:45
aidan10896
180 = 3x
180/3=60
2x=120
x=60
(嚙踝蕭
2010-8-17 15:48
anxty
嚙稷嚙稻 #24 aidan10896 嚙踝蕭嚙踝蕭嚙締
嚙踝蕭嚙踝蕭嚙瘤3x嚙踝蕭嚙瞌180"= =嚙磅嚙踝蕭嚙豎圖塚蕭?嚙線嚙磅嚙踝蕭嚙瘢嚙趣中嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙線...
[URL=http://img189.imageshack.us/i/32131111.png/][IMG]http://img189.imageshack.us/img189/9325/32131111.png[/IMG][/URL]
嚙豎了嚙踝蕭嚙誕佗蕭嚙磅嚙踝蕭嚙瘡嚙瞋嚙踝蕭嚙緘...
(嚙誕入嚙踝蕭嚙瘦嚙緙,嚙線嚙踝蕭嚙瞇嚙瘡嚙踝蕭嚙踝蕭嚙諉我想嚙踝蕭嚙踝蕭嚙緞(嚙踝蕭嚙篁嚙踝蕭嚙諉「嚙諉」嚙緝)
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� anxty 嚙踝蕭 2010-8-17 15:49 嚙編嚙踝蕭 [/i]]
2010-8-17 15:50
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]anxty[/i] 嚙踝蕭 2010-8-17 15:48 嚙緻嚙踝蕭
嚙踝蕭嚙踝蕭嚙瘤3x嚙踝蕭嚙瞌180"= =嚙磅嚙踝蕭嚙豎圖塚蕭?嚙線嚙磅嚙踝蕭嚙瘢嚙趣中嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙線...
[img]http://img189.imageshack.us/img189/9325/32131111.png[/img]
嚙豎了嚙踝蕭嚙誕佗蕭嚙磅嚙踝蕭嚙瘡嚙瞋嚙踝蕭嚙緘...
(嚙誕入嚙踝蕭嚙瘦嚙緙,嚙線嚙踝蕭嚙瞇嚙瘡嚙踝蕭嚙踝蕭嚙諉我想嚙踝蕭嚙踝蕭嚙緞(嚙踝蕭嚙篁嚙踝蕭嚙踝蕭 ... [/quote]
3x=2x+15+a
3x-2x-15=a
x-15=a
a=x-15 (嚙緻嚙踝蕭?
2010-8-17 15:53
aidan10896
[quote]嚙趣帖嚙踝蕭 [i]anxty[/i] 嚙踝蕭 2010-8-17 15:48 嚙緻嚙踝蕭
嚙踝蕭嚙踝蕭嚙瘤3x嚙踝蕭嚙瞌180"= =嚙磅嚙踝蕭嚙豎圖塚蕭?嚙線嚙磅嚙踝蕭嚙瘢嚙趣中嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙線...
[img]http://img189.imageshack.us/img189/9325/32131111.png[/img]
嚙豎了嚙踝蕭嚙誕佗蕭嚙磅嚙踝蕭嚙瘡嚙瞋嚙踝蕭嚙緘...
(嚙誕入嚙踝蕭嚙瘦嚙緙,嚙線嚙踝蕭嚙瞇嚙瘡嚙踝蕭嚙踝蕭嚙諉我想嚙踝蕭嚙踝蕭嚙緞(嚙踝蕭嚙篁嚙踝蕭嚙踝蕭 ... [/quote]
嚙磅嚙踝蕭嚙碼嚙踝蕭嚙皚嚙踝蕭m嚙瘢嚙緘嚙璀嚙踝蕭嚙踝蕭嚙踝蕭A嚙踝蕭嚙瘡嚙踝蕭嚙褒剁蕭嚙豎深
2010-8-17 15:55
anxty
嚙稷嚙稻 #27 aidan10896 嚙踝蕭嚙踝蕭嚙締
嚙誹也嚙踝蕭嚙踝蕭...嚙緹嚙箭嚙線嚙踝蕭2嚙諉可嚙踝蕭嚙�
1.嚙盤嚙踝蕭嚙瘤
2.嚙線嚙踝蕭嚙踝蕭嚙踝蕭
2010-8-17 15:57
kimwong3252000
3x-a=2x+15
x=15+a
3(15+a)-a=2(15+a)+15
45+2a=30+2a+15
0=0 xd
2010-8-17 17:24
adrian6800
嚙踝蕭嚙誰一嚙瘩嚙踝蕭嚙諉可嚙瘡嚙窮?(嚙踝蕭)
2010-8-17 17:37
wilson29
嚙稷嚙稻 #30 adrian6800 嚙踝蕭嚙踝蕭嚙締
嚙誹喉蕭嚙踝蕭嚙踝蕭~嚙請剁蕭(嚙緘嚙踝蕭~嚙踝蕭嚙瑾嚙踝蕭嚙踝蕭嚙瘩)
2010-8-17 17:51
NANASHI~ZOMBIE
嚙踝蕭茤嚙磕嚙諉吧,嚙踝蕭嚙瑾嚙踝蕭嚙磅嚙緻嚙踝蕭嚙踝蕭嚙踝蕭
2010-8-17 17:51
zifung2468
2x+15 =3x (vert.opp.angs)
2x-3x=-15
-x=-15
x=15
so easy -_-
2010-8-17 20:46
keroroEX
嚙踝蕭嚙踝蕭
嚙踝蕭<
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� keroroEX 嚙踝蕭 2010-8-17 20:49 嚙編嚙踝蕭 [/i]]
2010-8-17 21:13
keroroEX
3X=2X+15+a
X/2=(X+15+a)/3
1/2a=2/3+5
2a=3/2+1/5
a=0.85
嚙瞌嚙踝蕭嚙瞌?
2010-8-17 21:55
anxty
嚙稷嚙稻 #33 zifung2468 嚙踝蕭嚙踝蕭嚙締
嚙踝蕭嚙踝蕭嚙瘤2x+15 =/= 3x...
2010-8-17 21:57
anxty
嚙稷嚙稻 #35 keroroEX 嚙踝蕭嚙踝蕭嚙締
嚙璀覺嚙緻嚙踝蕭嚙箭(嚙踝蕭嚙踝蕭嚙瞌嚙踝蕭嚙瞌嚙瑾嚙箭,嚙窯嚙踝蕭嚙踝蕭嚙踝蕭@嚙箭)嚙諉剁蕭嚙罵嚙瞌0.85嚙論塚蕭??
2010-8-18 01:26
嚙瞑嚙踝蕭
[quote]嚙趣帖嚙踝蕭 [i]anxty[/i] 嚙踝蕭 2010-8-17 14:42 嚙緻嚙踝蕭
3x < 180(嚙瞇嚙踝蕭3x嚙瘦嚙踝蕭嚙線嚙磐嚙箠嚙踝蕭嚙踝蕭嚙線) [/quote]
- -嚙誹幾嚙褕佗蕭嚙踝蕭3x<180
嚙璀睇嚙線d= =
3x>180>2x+15
3x>180-----1
180>2x+15-----2
3x>2x+15-----3
嚙踝蕭1睇嚙踝蕭
3x>180
x>60
嚙踝蕭2睇嚙踝蕭
180>2x+15
165>2x
x<82.5
嚙課以 ans嚙踝蕭60<x<82.5
嚙踝蕭嚙瞇ans睇嚙踝蕭
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� 嚙瞑嚙踝蕭 嚙踝蕭 2010-8-18 01:36 嚙編嚙踝蕭 [/i]]
2010-8-18 01:43
嚙瞑嚙踝蕭
[quote]嚙趣帖嚙踝蕭 [i]keroroEX[/i] 嚙踝蕭 2010-8-17 21:13 嚙緻嚙踝蕭
3X=2X+15+a
X/2=(X+15+a)/3
1/2a=2/3+5
2a=3/2+1/5
a=0.85
嚙瞌嚙踝蕭嚙瞌? [/quote]
= =嚙踝蕭嚙踝蕭嚙踝蕭嚙璀嚙磐嚙趣做嚙踝蕭
嚙踝蕭2嚙畿嚙瞑嚙踝蕭3嚙畿嚙璀嚙瘢嚙篁嚙踝蕭?
嚙諸歹蕭{嚙踝蕭嚙踝蕭嚙踝蕭= ="
x=15+a
嚙稽嚙踝蕭60<x<82.5
60<15+a<82.5
45<a<67.5
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� 嚙瞑嚙踝蕭 嚙踝蕭 2010-8-18 01:45 嚙編嚙踝蕭 [/i]]
2010-8-18 02:19
louislee2815
嚙踝蕭
嚙豌好
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[color=red][size=15]嚙誹歹蕭嚙罵嚙稽嚙踝蕭嚙踝蕭嚙盤嚙緻嚙踝蕭嚙瘩嚙諍迎蕭~~嚙緻嚙諍連嚙踝蕭嚙踝蕭嚙線嚙踝蕭嚙磅嚙踝蕭觸嚙踝蕭嚙緣嚙線嚙踝蕭s嚙踝蕭嚙論塚蕭!!
嚙踝蕭!!嚙諸子嚙踝蕭嚙踝蕭嚙踝蕭!!嚙篁嚙踝蕭嚙緬嚙豌問你嚙踝蕭嚙瞑嚙褒吧!!嚙踝蕭嚙踝蕭嚙踝蕭嚙踝蕭嚙瘩嚙瞇嚙踝蕭嚙篁嚙豎混嚙皚嚙碼嚙踝蕭嚙諉，嚙編嚙踝蕭嚙賭的嚙瘡嚙諸來看穿蕭!![/color][/size]