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