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