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• Dimensions

To put your new knowledge into practice, try the your turn questions here.

http://qindex.info/i.php?h=5044#5044

To put your new knowledge into practice, try the your turn questions here.

http://qindex.info/i.php?h=5044#5044

• Roman Numerals

The Romans showed numbers into the thousands using these 7 symbols: I for 1, V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000.

http://qindex.info/i.php?h=5045#5045

The Romans showed numbers into the thousands using these 7 symbols: I for 1, V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000.

http://qindex.info/i.php?h=5045#5045