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