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