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