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