Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
acid =
1.
2. —e
3. Ž_
4. Å

ƒŒƒxƒ‹5. •ÏX
SDAL“‡‰pŒêŠwZ