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