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DCD=900

Posted by lddlinan at 2022-02-19 16:32:00 on Problem 3353
In Reply To:How can we represent 900? CM? Posted by:xxoo at 2007-08-25 13:33:47 
> Only the following are allowed:
> 
> IV = 5 - 1 = 4
> 
> IX = 10 - 1 = 9
> 
> XL = 50 - 10 = 40
> 
> XC = 100 - 10 = 90
> 
> CD = 500 - 100 = 400
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