pure mathtvb now,tvbnow,bttvb) l1 U4 G. Z- G0 ?* E6 K! q( t. X
! `7 M2 f. y s4 ?公仔箱論壇[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y公仔箱論壇) y& j/ c" B5 a0 P
0 C7 f' A7 n& l. F4 |4 F' c: dtvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |