5
x
1
=
5
5
x
2
=
10
5
x
3
=
15
5
x
4
=
20
5
x
5
=
25
5
x
6
=
30
5
x
7
=
35
5
x
8
=
40
5
x
9
=
45
5
x
10
=
50
5
x
11
=
55
5
x
12
=
60