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