0
x
0
= ?
4
x
0
= ?
0
x
8
= ?
0
x
2
= ?
1
x
8
= ?
2
x
4
= ?
1
x
1
= ?
7
x
0
= ?
1
x
3
= ?
5
x
0
= ?
0
0
3
0
0
1
0
8
0
8
9
x
1
= ?
4
x
1
= ?
2
x
2
= ?
10
x
1
= ?
1
x
8
= ?
9
x
0
= ?
9
x
0
= ?
4
x
0
= ?
0
x
1
= ?
4
x
0
= ?
0
0
0
10
4
9
4
8
0
0
20
0
0
conicimo