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