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