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