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