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