Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
5
5
|
6
0
|
15
6
|
14
4
|
||
| Oefening 2 | |||||
|
20
5
|
14
8
|
15
8
|
19
18
|
||
| Oefening 3 | |||||
|
17
6
|
19
2
|
8
6
|
14
8
|
||
| Oefening 4 | |||||
|
10
9
|
17
14
|
18
9
|
17
17
|
||