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