Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
slope =
1. [
2. Ž–
3. â
4. •¨

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ