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