a class total gt 48 ppl.5.39.217.77:88988 d' I! h2 l) L8 m
6 ppl din join any club5.39.217.77:8898# c9 A9 k& X B% u- M9 U& Q; G+ M
1/4 of the student in de clas join badminton club n computer club. $ y' B5 L; N/ G& XTVBNOW 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.* i* ?8 t9 F( I9 C- ^9 N. i
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.; C: N6 ?% ?1 q# S- Q p4 O0 y
$ h0 @$ A! P0 I( ]: j
2 students are in computer club only. : j& t T! v3 F3 Q公仔箱論壇5.39.217.77:88983 ?' j q3 h5 F- i( e/ Z8 D+ }
12 students are in both badminton and computer club. . m& |$ j9 U+ v1 ?. 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 `1 @1 h+ A2 w" e/ l5 E: \
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM