Supersnelle sommen tot 20

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

Supersnelle sommen tot 20
| ANTWOORDEN

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