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