roman
v+v=
x
3x+4=10 x=
2
103
1000
3/6+1/2
1
v+IIIII=
x
5x+4=29 x=
5
83
512
3/9+1/3
2/3
x+v
xv
3x+3=12 x=
3
24
16
2/4+1/2=
1
x+II=
xII
4x+3=19 x=
4
104
10000
3/6+1/3
5/6
vxv
xxv
3x+4=19 x=
x=5
82x2
4096
8/4-5/10
6/4
6x+7=31 8x x=x
4096