Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
4
4
|
8
3
|
19
17
|
18
5
|
||
| Oefening 2 | |||||
|
14
12
|
17
3
|
14
0
|
3
0
|
||
| Oefening 3 | |||||
|
9
1
|
11
1
|
14
13
|
17
16
|
||
| Oefening 4 | |||||
|
20
13
|
2
2
|
3
3
|
11
8
|
||