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