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