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