Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
19
13
|
18
1
|
9
0
|
7
0
|
||
| Oefening 2 | |||||
|
20
1
|
7
5
|
3
2
|
13
0
|
||
| Oefening 3 | |||||
|
17
8
|
18
7
|
13
2
|
16
13
|
||
| Oefening 4 | |||||
|
6
1
|
6
1
|
2
1
|
14
7
|
||