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