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Olgu meil järgmine grammatika: E → 1 | 2 | 3 | 4 E → E + E E → (...
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Olgu meil järgmine grammatika:
E → 1 | 2 | 3 | 4E → E + EE → (E)
Mitu süntakspuud on avaldisel?
(1+2)+(3+4)
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