1
Solve    =
=
1
2
Solve    =
=
1
3
Solve    =
=
1
4
Solve    =
=
1
5
Solve    =
=
1
6
Solve    / =
=
1
7
Solve    / =
=
1
8
Solve    + =
=
2
9
Solve    + =
=
2