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