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