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