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