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