返回列表 回復 發帖

数学题(英文)

a class total gt 48 ppl.5.39.217.77:8898# u" O  c2 i8 H; R7 M5 q% e5 K
6 ppl din join any club
0 m- G7 ^) ?# RTVBNOW 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.5.39.217.77:88989 ^4 }. m3 d- D% R% @, o
the number of badminton club member which is not computer club member is 2 times de member of computer club.5.39.217.77:8898; g' \4 [- |# L$ M: q: d7 o5 }
how many ppl in de clas join badminton club???
28 students are badminton club members only.
3 H6 _6 A$ ?- Otvb now,tvbnow,bttvb
6 B4 j* N# r4 ~1 u4 m8 |. _5.39.217.77:88982 students are in computer club only.公仔箱論壇' `" g( a+ a- A0 [; k) {( G# ]- l

; F5 p8 o) D4 b12 students are in both badminton and computer club.
1 ~! w6 p1 T4 L+ ^5 p3 V* `9 _5.39.217.77:8898: _- ~7 L. w1 ~* d2 v4 s2 @
therefore 28+2+12+6=48
har ???5.39.217.77:8898% Z" q2 v+ X5 h4 n# Z0 k& O
48/4=12 ppl ...: j7 o( j9 c! ]1 Y$ c
badmintion 2x = computer 1x
7 K' W9 O! ^0 ]/ ]0 M1 I公仔箱論壇then 12/3 x=4ppl5.39.217.77:8898& u6 \' E" w# [% K8 Z
badmintion 8 ppl ... computer 4 ppl
28 students
返回列表