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