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