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