(-1,0,1)tvb now,tvbnow,bttvb' u3 \" S, a9 C3 X
(-2,0,2)
8 h" d( @8 W. V* M0 b) Y; G(-3,0,3)tvb now,tvbnow,bttvb& V1 I- Y5 g, f3 t* n9 i7 x
...........tvb now,tvbnow,bttvb' P& a; L& D- d0 ?: p1 V7 Y
...........* q. x* y! d9 l) W
(-n,0,n)tvb now,tvbnow,bttvb4 o0 H9 J2 |( z' ]2 F/ H! u
以上咁多組都得 |