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