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