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