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