Combined operations 4
- - - - - - - - - -
Instructions: Press one of the buttons on the right column The correct number is put in red .
1 + 6 - 1 =
6 + 1 - 5 =
6 - 1 - 3 =
7 - 6 + 2 =
6 + 1 - 6 =
6 + 11 - 8 =
11 + 9 + 7 =
7 + 11 - 8 =
8 + 6 - 6 =
11 + 9 - 6 =
7 - 6 + 1 =
1 + 3 + 5 =
5 - 4 + 3 =
2 + 3 - 1 =
2 + 2 + 4 =
8 + 7 - 7 =
8 - 6 + 8 =
10 + 8 - 10 =
10 + 10 + 11 =
7 + 7 - 10 =
5 - 3 - 2 =
6 + 2 - 5 =
6 - 1 + 6 =
3 + 2 - 2 =
10 - 8 + 6 =
1 + 3 + 3 =
9 + 10 + 6 =
11 + 8 - 6 =
11 - 6 + 7 =
7 + 6 - 8 =
3 + 6 + 4 =
3 - 1 - 2 =
2 + 1 - 3 =
3 - 2 + 1 =
1 + 5 - 5 =
6 + 11 + 8 =
11 - 9 + 9 =
8 - 7 + 11 =
11 + 8 - 9 =
11 + 8 + 10 =
If you are registered, please enter your data: Name:
Password:
Registration Information
| Educational applications | Calculation | In Spanish | To print
®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999 Plaza Playa de Aro, 3, 1º DO 44002-TERUEL
