数学题(英文)

a class total gt 48 ppl.% k" A/ W( |. Y8 B$ Y2 Z8 q0 C. H8 g
6 ppl din join any club
1/4 of the student in de clas join badminton club n 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。- ]" }" y& Z9 A5 {# R" o- v& [
the number of badminton club member which is not computer club member is 2 times de member of computer club.. j1 Y+ R# ~# }+ l0 Q i/ V& k
how many ppl in de clas join badminton club???

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genzo2106

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發表於 2007-9-12 01:49 PM | 只看該作者

28 students are badminton club members only.

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。( p! N- V; I$ K: h
www2.tvboxnow.com/ v, s7 X5 h8 B3 _$ e
12 students are in both badminton and computer club.

therefore 28+2+12+6=48