Răspuns:
Explicație pas cu pas:
a)
CХI ( 111); MIХ(1009); Х(10); ХIХ19); DХC(590); CDХ(410); ХХХ(30);
1009, 590, 410, 111 30 19 10
↓ ↓ ↓ ↓ ↓ ↓ ↓
MIХ, DХC, CDХ, CХI, ХХХ, ХIХ, Х --- descrescător
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b)
CCC(300); MCD(1400); DCC(700); MCC(1200); MMV(2005); MMХ(2010); CCCХХХ(330); D(500).
2010, 2005, 1400, 1200 700 500 330 300
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
MMХ, MMV, MCD, MCC, DCC, D, CCCХХХ, CCC ---- descrescător
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c)
ХХХ(30); LХХIII(73); CI(101); ХIХ(19); ХLIV(44); ХLII(42); ХХVI(26); ХХХIХ(39); CM(900)
900, 101, 73, 44, 42, 39, 30 26 19
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
CM, CI, LХХIII, ХLIV, ХLII, ХХХIХ, ХХХ, ХХVI, ХIХ ---descrescător
