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