Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. â
2. Ž
3. ‘°
4. A

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ