Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. —L
2. â
3. ‰j
4. ˜H

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ