2
x
1
=
____________________
2
x
2
=
____________________
2
x
3
=
____________________
2
x
4
=
____________________
2
x
5
=
____________________
2
x
6
=
____________________
2
x
7
=
____________________
2
x
8
=
____________________
2
x
9
=
____________________
2
x
10
=
____________________
2
x
11
=
____________________
2
x
12
=
____________________
