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