2
x
0
= ?
2
x
5
= ?
0
x
8
= ?
1
x
5
= ?
1
x
7
= ?
0
x
0
= ?
6
x
0
= ?
1
x
0
= ?
8
x
0
= ?
0
x
2
= ?
0
0
0
5
0
0
0
7
10
0
0
x
1
= ?
7
x
0
= ?
1
x
10
= ?
1
x
6
= ?
0
x
5
= ?
0
x
0
= ?
3
x
3
= ?
1
x
1
= ?
1
x
0
= ?
4
x
0
= ?
0
0
0
0
6
10
1
9
0
0
20
0
0
conicimo