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