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nelston

公爵

Rank: 16Rank: 16Rank: 16Rank: 16
1#
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tT
發表於 2007-9-11 08:17 PM | 只看該作者 ::: 一按馬上把這個話題放上你的facebook!! :::

数学题(英文)

a class total gt 48 ppl.
- _7 S7 ~. @( n( `3 K  ]$ F* e5.39.217.77:88986 ppl din join any club
: y. R* i) e5 K( g/ v5.39.217.77:88981/4 of the student in de clas join badminton club n computer club.; d; P1 G; ]) E% K9 d
the number of badminton club member which is not computer club member is 2 times de member of computer club.
3 F( u- h  x1 s* X4 k% \9 nhow many ppl in de clas join badminton club???
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genzo2106

中級忍者

Rank: 3Rank: 3
2#
發表於 2007-9-12 01:49 PM | 只看該作者 ::: 一按馬上把這個話題放上你的facebook!! :::
28 students are badminton club members only.
, s: F, A. [( |3 X公仔箱論壇tvb now,tvbnow,bttvb2 q9 F' ?4 {3 D* c$ Q8 Y; U% x
2 students are in computer club only.
* y2 F7 p$ U6 d( z4 S6 g  e$ x: z4 w5 x$ l1 Y2 I1 E
12 students are in both badminton and computer club.tvb now,tvbnow,bttvb" G" M& |0 P+ h2 s

6 J1 C# b5 v) A( P; X- H/ H" b5.39.217.77:8898therefore 28+2+12+6=48
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00360353

Rank: 17Rank: 17Rank: 17Rank: 17Rank: 17
3#
發表於 2007-9-12 06:59 PM | 只看該作者 ::: 一按馬上把這個話題放上你的facebook!! :::
har ???
( v5 ], B( F5 s5 Q48/4=12 ppl ...
' d. z+ P7 i9 m+ D* utvb now,tvbnow,bttvbbadmintion 2x = computer 1x5.39.217.77:8898: u, b0 r7 N2 {. s
then 12/3 x=4ppl公仔箱論壇# I, n5 ~: T- k( |: f7 I9 g
badmintion 8 ppl ... computer 4 ppl
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dick007

星級忍者

Rank: 6Rank: 6
4#
發表於 2007-9-13 03:44 PM | 只看該作者 ::: 一按馬上把這個話題放上你的facebook!! :::
28 students
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