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