Oefen de erbijsom en erafsom tot 10
In de mix
|
1.
8 – 8 =
2
0
|
2.
4 + 3 =
7
1
|
3.
10 – 2 =
1
8
|
4.
1 – 1 =
0
2
|
|
5.
9 + 1 =
10
1
|
6.
7 – 7 =
2
0
|
7.
5 + 2 =
7
1
|
8.
9 – 9 =
2
0
|
|
9.
9 + 1 =
1
10
|
10.
3 – 1 =
2
1
|
11.
4 – 3 =
2
1
|
12.
5 + 3 =
1
8
|
|
13.
3 + 7 =
1
10
|
14.
10 + 0 =
1
10
|
15.
10 + 0 =
10
1
|
16.
3 + 5 =
8
1
|
|
17.
7 + 1 =
1
8
|
18.
1 + 4 =
1
5
|
19.
5 – 0 =
1
5
|
20.
9 + 1 =
1
10
|