Question

3. Calculează, după model.
a) X + V= 10 + 5 = 15 (XV)
IV + III =
103
b) XX - IX=.
XIII – VI =
VII + IV = .......
XXX - VIII =
XXI + X=
XXII - III =​

Answer 1

Răspuns:

IV+III=4+3=7(VII)

103=CIII

b) XX-IX=20-9=11(XI)

XIII-VI=13-6=7(VII)

VII+IV=7+4=11(XI)

XXX-VIII=30-8=22(XXII)

XXI+X=21+10=31(XXXI)

XXII-III=22-3=19(XIX)