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