let 1st thing = X
: |8 D5 e+ u8 t$ K2 g+ x4 N5.39.217.77:8898 2nd thing=X+100
" |8 Z! U; f! ^8 e! E! h9 m
4 t) T* _, U. G5 T* g0 ?5 CX +( X+100) = 100.10, _* t$ H8 S8 g# H' d5 ]4 A
2X + 100 = 100.10
0 Y- L5 a# f5 x- C2 O2 b% ?( ~5 C2X = 100.10 - 100 = 0.109 R! [6 l: ? m; p4 l$ a% T5 t
X = 0.10 / 2 = 0.05公仔箱論壇# w+ k! s# @8 [2 ]+ g
/ |0 K0 O( X3 @7 \ f* l' }1st thing = X = 0.05
$ t9 o- V1 z5 ~% J J) ntvb now,tvbnow,bttvb2nd thing = X+100 = 100.05 |