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