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