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