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