Pengertian bilangan romawi
Aturan penulisan dan Contoh bilangan romawi
Contoh bilangan romawi 1988.
Contoh bilangan romawi 1945
Contoh bilangan romawi 4000 = MMMM
Tabel angka romawi
ANGKA KELIPATAN 1000_
V =5000
_
X =10000
_
L =50000
_
C =100000
_
M =1000000
CONTOH SOAL DAN PEMBAHASAN PENJUMLAHAN DAN PENGURANGAN BILANGAN ROMAWI (ANGKA ROMAWI)
Ingat kembali :
I = 1, II = 2, III = 3, IV = 4, V = 5, VI = 6, VII = 7, VIII = 8, IX = 9, X = 10, L = 50, C = 100, D = 500, dan M = 1000
Angka lebih kecil dikiri menunjukan pengurangan
Angka lebih besar dikanan menunjukan penjumlahan
1. XIX – XIV = …
Jawab
XIX – XIV = 19 – 14
= 5 = V
2. LXXXIV + XLIII = …
Jawab
LXXXIV + XLIII = 84 + 43
= 41
= 40 + 1
= (50 – 10) + 1
= XLI
3. CCLXXXIV + CCLXVII = …
Jawab
CCLXXXIV + CCLXVII = 284 + 267
= 551
= 500 + 50 + 1
= D + L + 1
= DLI
4. CMLXXVI – DCCLXIX = …
Jawab
CMLXXVI – DCCLXIX = 976 – 769
= 207
= 200 + 7
= CC + VII
= CCVII
5. MMMCDXXVIII – MMCCCLXXXIV = …
Jawab
MMMCDXXVIII – MMCCCLXXXIV = 3428 – 2384
= 1044
= 1000 + 40 + 4
= 1000 + (50 – 10) + (5 – 1)
= M + XL + IV
= MXLIV
6. CMXCIX – DCCLI = …
Jawab
CMXCIX – DCCLI = 999 – 751
= 248
= 200 + (50 – 10) + 8
= CC + XL + VIII
= CCXLVIII
7. DM + DCLXX – MCCL = …
Jawab
DM + DCLXX – MCCL = 1500 + 670 – 1250
= 920
= (1000 – 100) + 20
= CMXX
8. CDI – CCXIV + CXXV = …
Jawab
CDI – CCXIV + CXXV = 401 – 214 + 125
= 312
= 300 + 10 + 2
= CCC + X + II
= CCCXII
9. CCCXXXIII + CXLII – LIV = …
Jawab
CCCXXXIII + CXLII – LIV = 333 + 142 – 54
= 421
= (500 – 100) + 20 + 1
= CDXXI
10. (DCCL + LXII) – (CCCXV + LII) = …
Jawab
(DCCL + LXII) – (CCCXV + LII) = (750 + 62) – (315 + 52)
= 812 – 367
= 445
= (500 – 100) + (50 – 10) + 5
= CD + XL + V
= CDXLV
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