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