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