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