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