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