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