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