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