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