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