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

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ