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calculeaza,folosind cifre romane: a) 549+897=......, b) 2589-1893=.......

Răspuns :

a.1446 MCDXLVI
b.696 DCXCVI
Amiiiiiiiin
a)    549= DXLIX,      897=  DCCCXCII                                                                                                      DXLIX+DCCCXCII= 1446 - MCDXLVI                                                                                                             b)  2589 = MMDLXXXIX
     1893=MDCCCXCIII
     MMDLXXXIX-MDCCC XCIII = 696  -  DCXCVI