返回列表 回復 發帖

数学题(英文)

a class total gt 48 ppl.tvb now,tvbnow,bttvb% a: u; G& P  B) G' e
6 ppl din join any club
% ^6 E9 c4 {6 S' c& Cwww2.tvboxnow.com1/4 of the student in de clas join badminton club n computer club.5 ]! r: C5 @. t, k( S& y% ]
the number of badminton club member which is not computer club member is 2 times de member of computer club.
( A, N+ F  r8 E1 j& k) Xtvb now,tvbnow,bttvbhow many ppl in de clas join badminton club???
28 students are badminton club members only.- V2 R8 J: T, F1 ]( @

# {5 b8 K! Z# U  Q/ b- qtvb now,tvbnow,bttvb2 students are in computer club only.www2.tvboxnow.com. V) b$ p2 ]% V; N
www2.tvboxnow.com- u; i; h. c( z% ^! r
12 students are in both badminton and computer club.
5 n3 A. _6 @( @5 Ltvb now,tvbnow,bttvb公仔箱論壇( J; w* t! N9 k$ J" [, S4 e
therefore 28+2+12+6=48
har ???
& E  C' G& z3 l9 g! p% y) d. c48/4=12 ppl ...www2.tvboxnow.com- P( q7 v( {" K2 U
badmintion 2x = computer 1x
, h$ _" Q- j- Y% e; e9 qTVBNOW 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。then 12/3 x=4ppl7 O6 Q3 s$ `. M  A( s1 y. N2 D
badmintion 8 ppl ... computer 4 ppl
28 students
返回列表