Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
7
2
|
5
2
|
7
5
|
16
15
|
||
| Oefening 2 | |||||
|
14
5
|
13
7
|
19
15
|
9
7
|
||
| Oefening 3 | |||||
|
19
13
|
10
1
|
8
6
|
5
2
|
||
| Oefening 4 | |||||
|
7
1
|
8
6
|
6
2
|
20
3
|
||