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Ancient roman-numbers unita didattica
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OUR NUMBER SYSTEM IS CALLED ARABIC WE HAVE TEN DIGITS
AND WE CAN MAKE AS BIG A NUMBER AS WE WANT
THESE FIGURES ARE SO BECAUSE THE ARABS COUNTED THE CORNERS
THE ROMANS HAD DIFFERENT SYMBOLS FOR
NUMBERS
THE ROMANS HAD NOT SYMBOL FOR ZERO (O)
IN THIS EXAMPLE THE PRINCIPLE OF ADDITION
IS USED
I 1 one V 5 fiveX 10 tenL 50 fiftyC 100 one hundredD 500 five hundredM 1000 one thousand
ITS CONSTRUCTION STARTED UNDER EMPEROR VESPASIANO IN
LXXIIAND WAS COMPLETED UNDER TITUS IN
LXXX
ST. PETER BASILICA
THE CONSTRUCTION BEGAN INMDVI
HE WAS BORN IN
CICI A.B.AND WAS ASSASINATEDON THE IDES OF MARCH (15 MARCH)
XLIVXLIV A.B.
IMPORTANT
• WHEN THE PRINCIPLE OF ADDITION IS USED, A SYMBOL CAN BE USED 3 TIMES ONLY
• PRINCIPLE OF MULTIPLICATION
REMEMBER