Question

Ajutor dau corona.

1.Calculeaza suma nr urmatoare scrise cu cufre romane:

I+V+X+L+C+D+M=


2.Calculeaza:
XXV+MCMLIII=
DCL+MCMVI=
VIII+CCLVII=

3.Scrie cu cifre arabe:
MCMIV=
MCMXX=
MCMVIII=
MCMXVI=
MCMXII=

4.Compara urmatoarele numere,folosind semnele <,> sau =


5.Afla nr necunoscut:

CIV+XLVI=Y



m+XXXI=L


LC+r=C



XCIX+I=p



XLVII+x=L



LXX+a=C



z+LXX=CXX



6.Ordoneaza crescator nr:

LVI,CCI,MDCX,CCCLXXXVII,CD,DC,MCDLVI.

Answer 1

1 I+V=VI VI+X=XVI XVI+L=LXVI LXVI+C=CLXVI CLXVI+D=DCLXVI DCLXVI+M=MDCLXVI
2 XXV+MCMLIII=MCMLXXVIII
DCL+MCMVI=MMDLVI
VIII+CCLVII=CCLXV
3 1904,1920,1908,1916,1912.
5 CIV+XLVI=Y
Y=CIV+XLVI
Y=CL
m+XXXI=L
m=L-XXXI
m=XIX
LC+r=C
r=C-LC
r=X
XCIX+I=p
p=XCIX+I
p=C
XLVII+x=L
x=L-XLVII
x=III
LXX+a=C
a=C-LXX
a=XXX
z+LXX=CXX
z=CXX-LXX
z=L
6 LVI,CCI,CCCLXXXVII,CD,DC,MCDLVI,MDCX