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