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