Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
9
6
|
14
0
|
20
1
|
15
12
|
||
| Oefening 2 | |||||
|
15
7
|
6
5
|
16
10
|
20
20
|
||
| Oefening 3 | |||||
|
18
2
|
11
6
|
16
11
|
16
9
|
||
| Oefening 4 | |||||
|
8
7
|
5
5
|
12
4
|
17
6
|
||