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数学题(英文)

a class total gt 48 ppl.公仔箱論壇/ F2 ^% s) i8 S( \
6 ppl din join any club- a( z9 }- d: H% L5 u
1/4 of the student in de clas join badminton club n computer club.6 Y9 H# @; g4 T3 v) `! k* n2 m7 b
the number of badminton club member which is not computer club member is 2 times de member of computer club.# h& S- g( Z4 G! f* K* z" K
how many ppl in de clas join badminton club???
28 students are badminton club members only.公仔箱論壇) h# f. |8 V2 b# b0 W' y+ V& D

7 l( Y+ T# ?+ y8 F  ?tvb now,tvbnow,bttvb2 students are in computer club only.- ]; k; H$ @- F) ?8 R1 A( U
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。8 O; ?, T4 y9 J! r2 r( v
12 students are in both badminton and computer club.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。* N* n5 Q# U: C, |( ~0 @! @& H
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therefore 28+2+12+6=48
har ???
/ e) }7 m+ t2 l' y48/4=12 ppl ...1 I/ R4 E: l( B, @) q
badmintion 2x = computer 1xos.tvboxnow.com/ ?* v4 [6 B! O- J( q
then 12/3 x=4ppl( z* K9 J" z3 t3 e
badmintion 8 ppl ... computer 4 ppl
28 students
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