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