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

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ