Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. Ž
2. â
3. “]
4. ‹‰

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ