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