Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. ”Â
2. ‘Ò
3. Z
4. â

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ