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