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