Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1.
‘¼
2.
ˆÃ
3.
â
4.
—r
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ