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Transcrieti exercitiile cu cifre arabe si verificati calculele.xc-xl=l; lx+xl=c; cx+xc=cc; md-cd=mc; (iv×v)+(xl×ii)=c; (i×ix)-(ix-i)=I



Răspuns :

x=10
l=50
c=100
d=500
m=1000
i=1
 
90-40=50; 60+40=100; 110+90=200 ;1500-400=1100; (4x5)+(40x2)=100; (1x9)-(9-1)=1