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