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