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