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