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