Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
6
4
|
9
1
|
15
12
|
2
0
|
||
| Oefening 2 | |||||
|
14
4
|
14
6
|
8
0
|
7
0
|
||
| Oefening 3 | |||||
|
15
6
|
5
5
|
7
4
|
17
13
|
||
| Oefening 4 | |||||
|
11
10
|
9
4
|
16
6
|
2
1
|
||