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