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