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