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