返回列表 回復 發帖

数学题(英文)

a class total gt 48 ppl.公仔箱論壇% d) Y/ \$ Z7 ]9 {/ H' [9 f2 j
6 ppl din join any club
/ n6 w& ~1 e0 B+ a公仔箱論壇1/4 of the student in de clas join badminton club n computer club.8 V. L; l. E) v4 t; k, B, P& _
the number of badminton club member which is not computer club member is 2 times de member of computer club.% V7 g- h$ }. _7 b& R$ D
how many ppl in de clas join badminton club???
返回列表