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