Supersnelle sommen tot 20
Erbijsommen
|
1.
14 + 2 =
5
9
4
16
|
2.
14 + 2 =
9
3
16
4
|
3.
15 + 1 =
4
3
7
16
|
4.
19 + 1 =
7
20
10
12
|
|
5.
11 + 2 =
13
10
15
14
|
6.
7 + 12 =
7
19
1
8
|
7.
1 + 9 =
7
12
3
10
|
8.
6 + 6 =
10
8
17
12
|
|
9.
3 + 12 =
1
15
7
5
|
10.
17 + 3 =
11
20
5
9
|
11.
1 + 10 =
10
5
11
12
|
12.
9 + 0 =
7
2
9
4
|
|
13.
2 + 5 =
4
7
10
9
|
14.
16 + 1 =
4
12
11
17
|
15.
4 + 6 =
10
11
9
13
|
16.
11 + 0 =
11
7
3
16
|
|
17.
5 + 10 =
15
3
8
7
|
18.
5 + 11 =
5
16
6
2
|
19.
18 + 0 =
11
5
2
18
|
20.
1 + 7 =
8
11
5
9
|