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