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