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