let 1st thing = X
' o# N+ V) ~5 E$ @7 F' A公仔箱論壇 2nd thing=X+100! l/ O4 H1 A0 N) ^7 k G
1 N; C: M+ W/ x& x" o q1 S- S' W2 d8 W1 C5.39.217.76X +( X+100) = 100.10公仔箱論壇 B8 D7 ^ `# C; N& n3 M! M
2X + 100 = 100.105.39.217.768 p% ]3 B% k3 Y
2X = 100.10 - 100 = 0.10
q$ O; _0 F& |7 I" R公仔箱論壇X = 0.10 / 2 = 0.05
" D: `, i6 ?' l* a$ f+ t5.39.217.76
/ x' ^; `) p: ^( x1 h3 k' @) h5.39.217.761st thing = X = 0.05
1 f6 D* B# T4 m9 p# F2nd thing = X+100 = 100.05 |