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