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