Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. Š¦
2. â
3. Š¿
4. ‹{

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ