Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
elementary =
1.
Œ¸
2.
‘f
3.
¸
4.
‹`
ƒŒƒxƒ‹5.
•ÏX
SDAL“‡‰pŒêŠwZ