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