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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 five
X 10 ten
L 50 fifty
C 100 one hundred
D 500 five hundred
M 1000 one thousand
ITS CONSTRUCTION STARTED UNDER EMPEROR VESPASIANO IN
LXXII
AND WAS COMPLETED UNDER TITUS IN
LXXX
ST. PETER BASILICA
THE CONSTRUCTION BEGAN IN
MDVI
HE WAS BORN IN
CICI A.B.
AND WAS
ASSASINATED
ON 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
Ancient roman-numbers unita didattica

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Ancient roman-numbers unita didattica