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