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Scrie cu cifre romane nr. :
a ) 9,24,19,23,74,122,1900,2015
b ) 11,49,1500,1457,1918

Scrie cu cifre arabe nr. :
a ) IX,XXXII,LXXI,DCCC,XXXIV,CCLXIII,MM,DC,MML
b ) MDXLII,MMDXXII,MCMXXXIX,MDCXLVII,CD



Multumesc frumos!