返回列表 回復 發帖

数学题(英文)

a class total gt 48 ppl.
+ F7 q+ Y3 f% M, C, ^3 @6 ppl din join any club
6 A3 c$ _0 N* l* _7 w7 C0 X1/4 of the student in de clas join badminton club n computer club.
( |9 R& d4 {# |! T公仔箱論壇the number of badminton club member which is not computer club member is 2 times de member of computer club.2 H6 i7 U9 H6 B$ B% k/ K. u
how many ppl in de clas join badminton club???
28 students are badminton club members only.
; ^3 j9 o( A0 I' h* vtvb now,tvbnow,bttvb
. j; c' Z/ \5 I0 @+ Ytvb now,tvbnow,bttvb2 students are in computer club only.  i& o% y6 v4 K" ]  J

% E* Y' W2 \, {5 B' J& e" k9 Z$ `: `& uTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。12 students are in both badminton and computer club.
% h7 F# b; S2 Y/ d* eTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。
2 x* p5 j. K) r* B3 e5.39.217.77:8898therefore 28+2+12+6=48
har ???TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。; e( J% `: G7 u% `
48/4=12 ppl ...
- ?3 E! U4 a& ]1 v公仔箱論壇badmintion 2x = computer 1x
- c/ w& F) w+ n% g3 @5 Otvb now,tvbnow,bttvbthen 12/3 x=4ppl
8 q- D8 F; S! f2 m/ o8 B: {- _, Ntvb now,tvbnow,bttvbbadmintion 8 ppl ... computer 4 ppl
28 students
返回列表