Splits het getal tot 20
Splitspiramide
| Oefening 1 | |||||
|
18
7
|
8
8
|
19
4
|
15
15
|
||
| Oefening 2 | |||||
|
7
1
|
8
3
|
13
10
|
14
7
|
||
| Oefening 3 | |||||
|
20
9
|
19
19
|
11
1
|
13
7
|
||
| Oefening 4 | |||||
|
8
0
|
6
1
|
6
6
|
7
3
|
||