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