a class total gt 48 ppl. ; {: F4 S" X% p" ^- u* m1 o9 Kwww.tvboxnow.com6 ppl din join any club 2 @5 T/ z, }/ B+ [1/4 of the student in de clas join badminton club n computer club.. A( j. z% r7 x' i' {4 ^6 n; I
the number of badminton club member which is not computer club member is 2 times de member of computer club.+ j8 m' K; n/ P4 [- t/ O/ Q9 X! j
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.2 \; A$ A, X, ]! b, @
5 ~* W5 L5 `- t T; b/ {5 ~3 }tvb now,tvbnow,bttvb2 students are in computer club only.公仔箱論壇' L5 R4 R4 S5 ?! x# i2 _
tvb now,tvbnow,bttvb" F% o4 I, \% B* L3 Y4 [
12 students are in both badminton and computer club. 0 b* N) h4 j2 s8 U& c公仔箱論壇) o* z* |3 y( q- y2 ?1 Q
therefore 28+2+12+6=48作者: 00360353 時間: 2007-9-12 06:59 PM
