Answer:
The answer is "1"
Step-by-step explanation:
Let 5 roman numbers are:
There square values are as follows:
The smallest square number is= 1.
20n - 6n = -2(n + 6)
20 - 6n =-2n -12
6n + 2 n = -20 -12
8n = 32
n = 32 : 8
n = 8
8 is the number
3x8= 24
24-9 is 15
the greatest common factor is 3
375: 1, 3, 5,11, 15, 25, 75, 125, 375
66: 1, 2, 3, 6, 11, 22, 33, 66
333: 1, 3, 9, 37, 111, 333