pure mathtvb now,tvbnow,bttvb- b$ \! x8 e. A1 N; I
公仔箱論壇& E) a4 F8 q1 A# \* Q9 K7 \
[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+yTVBNOW 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。+ ?% M; C* s5 s" | j) `4 e
& S5 ?$ X& b& @* L% D2 ^, Etvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |