let 1st thing = X
8 B, e& s, w! T' c% B4 S2 Z 2nd thing=X+100
2 C, T; ^6 l$ Y( `) v( f公仔箱論壇公仔箱論壇% h8 Y; V2 ^- O; y1 W
X +( X+100) = 100.10
: R0 X- K7 z, H% g9 q+ T5.39.217.762X + 100 = 100.100 k3 V, g+ n! D; ^3 m
2X = 100.10 - 100 = 0.10
9 {0 B+ U% `- h$ K7 r0 s% R" fX = 0.10 / 2 = 0.05
/ H, C5 j0 N% L* C9 Z
0 A3 q+ M. M4 ^tvb now,tvbnow,bttvb1st thing = X = 0.05
/ }2 Z2 L8 V. y/ J" ^5.39.217.762nd thing = X+100 = 100.05 |