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