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