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