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