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