Tientallen en eenheden van elkaar aftrekken

Erafsommen
Oefening 1
1. 40 - 8 =
 
2. 20 - 9 =
 
3. 70 - 4 =
 
4. 20 - 1 =
 
5. 20 - 1 =
 
6. 90 - 3 =
 
7. 20 - 7 =
 
8. 70 - 1 =
 
9. 60 - 5 =
 
10. 30 - 2 =
 
Oefening 2
1. 50 - 7 =
 
2. 30 - 6 =
 
3. 80 - 6 =
 
4. 10 - 7 =
 
5. 10 - 7 =
 
6. 40 - 6 =
 
7. 90 - 5 =
 
8. 30 - 7 =
 
9. 80 - 6 =
 
10. 80 - 7 =
 
Oefening 3
1. 70 - 9 =
 
2. 40 - 7 =
 
3. 90 - 7 =
 
4. 80 - 5 =
 
5. 80 - 2 =
 
6. 70 - 6 =
 
7. 10 - 1 =
 
8. 20 - 5 =
 
9. 70 - 5 =
 
10. 90 - 5 =
 
Oefening 4
1. 70 - 5 =
 
2. 40 - 3 =
 
3. 60 - 8 =
 
4. 70 - 7 =
 
5. 50 - 7 =
 
6. 40 - 8 =
 
7. 70 - 6 =
 
8. 70 - 1 =
 
9. 30 - 3 =
 
10. 80 - 8 =
 

Tientallen en eenheden van elkaar aftrekken
| ANTWOORDEN

Erafsommen
Oefening 1
1. 40 - 8 =
2. 20 - 9 =
3. 70 - 4 =
4. 20 - 1 =
5. 20 - 1 =
6. 90 - 3 =
7. 20 - 7 =
8. 70 - 1 =
9. 60 - 5 =
10. 30 - 2 =
Oefening 2
1. 50 - 7 =
2. 30 - 6 =
3. 80 - 6 =
4. 10 - 7 =
5. 10 - 7 =
6. 40 - 6 =
7. 90 - 5 =
8. 30 - 7 =
9. 80 - 6 =
10. 80 - 7 =
Oefening 3
1. 70 - 9 =
2. 40 - 7 =
3. 90 - 7 =
4. 80 - 5 =
5. 80 - 2 =
6. 70 - 6 =
7. 10 - 1 =
8. 20 - 5 =
9. 70 - 5 =
10. 90 - 5 =
Oefening 4
1. 70 - 5 =
2. 40 - 3 =
3. 60 - 8 =
4. 70 - 7 =
5. 50 - 7 =
6. 40 - 8 =
7. 70 - 6 =
8. 70 - 1 =
9. 30 - 3 =
10. 80 - 8 =