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