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