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