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