let 1st thing = X
& q4 F1 c7 g7 M9 e9 _ 2nd thing=X+100
& ?- t" U& P) M U1 i+ E0 |公仔箱論壇% c n) p* f7 R2 }' C$ E
X +( X+100) = 100.10www2.tvboxnow.com% B% W7 |/ r. y$ u2 q# e! }, E* C
2X + 100 = 100.108 f/ z0 x) q- w5 F/ n( W
2X = 100.10 - 100 = 0.10
% g2 N; c2 `' T$ B ^; [' f/ rwww2.tvboxnow.comX = 0.10 / 2 = 0.05: M. H/ d" T4 t
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1st thing = X = 0.05
6 ~" p3 z( {- X$ h# }$ i/ N2nd thing = X+100 = 100.05 |