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