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