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