Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. Ì
2. â
3. “‡
4. _

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ