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