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