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