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