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