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