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