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