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