let 1st thing = X
, d, I- [" _& M5 R0 C( w1 ftvb now,tvbnow,bttvb 2nd thing=X+100
9 S+ }) A' X9 w5 D- P, ]$ F5.39.217.77:8898! s5 a/ Z B& Z9 A/ `. g5 t
X +( X+100) = 100.10
& v9 r# Y* v' j) _tvb now,tvbnow,bttvb2X + 100 = 100.10
7 V0 D6 M1 k3 U9 m4 n公仔箱論壇2X = 100.10 - 100 = 0.10) L- b+ C& W. x; R3 U
X = 0.10 / 2 = 0.055.39.217.77:8898: _4 B9 i& y1 k: H+ a
+ V8 h$ r) Z5 N& @! {tvb now,tvbnow,bttvb1st thing = X = 0.05
`+ }5 ]' w/ t0 V2nd thing = X+100 = 100.05 |