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