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