Combined operations 5


Tables of addition

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Tables of subtraction

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Instructions: Press one of the buttons on the right column The correct number is put in red .


5 + 2 - 5 =

2 - 1 + 5 =

5 + 6 - 1 =

1 + 4 + 6 =

6 + 3 - 2 =

6 + 7 - 9 =

8 + 11 + 7 =

9 + 6 - 8 =

12 - 11 + 11 =

11 + 9 - 9 =

4 + 1 - 4 =

6 + 5 - 1 =

3 - 2 - 0 =

6 + 2 + 4 =

3 + 4 - 1 =

11 + 9 + 7 =

9 + 9 - 9 =

10 - 6 + 10 =

11 - 7 + 10 =

6 + 7 -11 =

4 - 1 + 6 =

6 + 5 - 6 =

4 + 3 +4 =

2 + 3 - 3 =

5 - 2 + 3 =

9 + 7 + 8 =

8 + 8 + 9 =

8 + 11 - 6 =

10 - 8 + 7 =

8 + 10 - 11 =

1 + 2 - 2 =

6 - 5 + 1 =

5 + 5 -1 =

2 + 4 + 6 =

5 - 3 + 4 =

6 + 9 - 7 =

10 + 6 + 9 =

6 + 10 - 9 =

10 - 9 + 10 =

8 + 7 - 8 =

 

 


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®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