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

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ