a class total gt 48 ppl.$ ]4 e1 @+ B, [1 p/ i
6 ppl din join any club & ?9 `: X8 Z- f! } h/ ZTVBNOW 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。1/4 of the student in de clas join badminton club n computer club." K3 U+ G& L7 V1 L+ J8 x# F
the number of badminton club member which is not computer club member is 2 times de member of 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。! p3 z9 v0 a7 J8 |
how many ppl in de clas join badminton club???作者: genzo2106 時間: 2007-9-12 01:49 PM
28 students are badminton club members only. ' S5 [2 a8 J. q9 r u公仔箱論壇公仔箱論壇- V m" G7 \& s9 H8 ] U
2 students are in computer club only.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。( l- a2 i$ k, K: y' ?
; L9 B3 |9 L+ h7 N% H. Q12 students are in both badminton and computer club. 2 n8 P: A; ?6 E9 T# l3 v 1 T9 f4 G; s1 H; f7 k* stvb now,tvbnow,bttvbtherefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
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48/4=12 ppl ... 4 S7 ?$ H; i* i& o, \tvb now,tvbnow,bttvbbadmintion 2x = computer 1x ! ]! K! o; L0 [% W+ B9 ?; ^then 12/3 x=4ppl 4 q7 B! Q. J! D: H8 h: C3 j- d. kbadmintion 8 ppl ... computer 4 ppl作者: dick007 時間: 2007-9-13 03:44 PM