الأرقام والأعداد الرومانية

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5 – 1 = 4
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10 – 1 = 9</td>
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IV



=
I -



V</td>
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IX



=
I

-



X</td>
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IV</td>
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أربعة</td>
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IX</td>
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تسعة</td>
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