Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. º
2. ”½
3. —Î
4. â

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ