Reken de erafsommen tot 12 uit
Erafsommen
|
1.
10 – 4 =
6
9
|
2.
11 – 3 =
8
9
|
3.
4 – 2 =
7
2
|
4.
12 – 10 =
5
2
|
|
5.
4 – 4 =
4
0
|
6.
3 – 2 =
1
3
|
7.
6 – 0 =
10
6
|
8.
8 – 4 =
7
4
|
|
9.
2 – 0 =
7
2
|
10.
11 – 2 =
14
9
|
11.
2 – 2 =
0
4
|
12.
11 – 10 =
1
5
|
|
13.
7 – 5 =
4
2
|
14.
12 – 10 =
5
2
|
15.
3 – 1 =
2
3
|
16.
4 – 2 =
4
2
|
|
17.
5 – 5 =
4
0
|
18.
5 – 1 =
8
4
|
19.
1 – 1 =
2
0
|
20.
8 – 4 =
3
4
|