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