a+b+c+d=200
! i1 k* }" E, j K/ x( e% X5.39.217.764x-8-16-24=200tvb now,tvbnow,bttvb+ v% _; @7 `; Q7 d; ?8 `. `! G
4x-8(1+2+3)=200! j i7 ? A$ c/ A
4x-8(6)= 200
- M/ e% a% n/ i5 G, U' |' x4x=200+8(6), |& B) w% ~' u( Q& t
x=248/4
6 {8 b4 E4 {6 |( Q8 E9 K! `公仔箱論壇62 |