返回列表 回復 發帖

数学题(英文)

a class total gt 48 ppl.
0 M3 P% d9 D9 B* A6 I+ wtvb now,tvbnow,bttvb6 ppl din join any club2 s* ]1 x5 Q# {- ^. {7 M
1/4 of the student in de clas join badminton club n computer club.
+ E( p  ?) r( \5 mTVBNOW 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。the number of badminton club member which is not computer club member is 2 times de member of computer club.
2 t$ p9 x' _# V* Uhow many ppl in de clas join badminton club???
28 students are badminton club members only.& `! \, s9 J0 g- K7 c+ R( _6 F

1 L2 C! v8 a5 K2 D! d/ vTVBNOW 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 students are in computer club only.5.39.217.76  l) A. H  M+ m+ O: G
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。0 ^) G4 z. M, X& U, |2 M3 Q: H
12 students are in both badminton and computer club.
( m2 Y6 e% F+ W2 A( v0 m
2 ^' V; C8 h- K4 ttherefore 28+2+12+6=48
har ???
% Q, A- U1 [: `% b, X48/4=12 ppl ...公仔箱論壇+ p! f/ c% r' x# b" x, T; ~
badmintion 2x = computer 1x
$ r/ D1 I' {9 j. I* Q$ `' btvb now,tvbnow,bttvbthen 12/3 x=4ppl$ O6 Y3 e  g" r/ H$ ~1 x0 A
badmintion 8 ppl ... computer 4 ppl
28 students
返回列表