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