Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. ‰®
2. Õ
3. h
4. â

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ