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