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