Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1.
‰@
2.
ӧ
3.
â
4.
“]
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ