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