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