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