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