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