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