Reken de erbijsom tot 20 uit

Erbijsommen
1.
17 + 0 =
2.
5 + 9 =
3.
4 + 1 =
4.
6 + 5 =
5.
11 + 5 =
6.
4 + 16 =
7.
14 + 3 =
8.
19 + 0 =
9.
19 + 0 =
10.
13 + 7 =
11.
14 + 6 =
12.
3 + 9 =
13.
12 + 5 =
14.
6 + 10 =
15.
19 + 0 =
16.
8 + 10 =
17.
2 + 10 =
18.
11 + 9 =
19.
3 + 3 =
20.
16 + 4 =
21.
12 + 4 =
22.
3 + 13 =
23.
10 + 4 =
24.
13 + 7 =
25.
17 + 0 =
26.
11 + 4 =
27.
2 + 13 =
28.
17 + 2 =
29.
18 + 1 =
30.
10 + 1 =
31.
20 + 0 =
32.
6 + 0 =
33.
16 + 4 =
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Reken de erbijsom tot 20 uit
| ANTWOORDEN

Erbijsommen
1.
17 + 0 =
17
2.
5 + 9 =
14
3.
4 + 1 =
5
4.
6 + 5 =
11
5.
11 + 5 =
16
6.
4 + 16 =
20
7.
14 + 3 =
17
8.
19 + 0 =
19
9.
19 + 0 =
19
10.
13 + 7 =
20
11.
14 + 6 =
20
12.
3 + 9 =
12
13.
12 + 5 =
17
14.
6 + 10 =
16
15.
19 + 0 =
19
16.
8 + 10 =
18
17.
2 + 10 =
12
18.
11 + 9 =
20
19.
3 + 3 =
6
20.
16 + 4 =
20
21.
12 + 4 =
16
22.
3 + 13 =
16
23.
10 + 4 =
14
24.
13 + 7 =
20
25.
17 + 0 =
17
26.
11 + 4 =
15
27.
2 + 13 =
15
28.
17 + 2 =
19
29.
18 + 1 =
19
30.
10 + 1 =
11
31.
20 + 0 =
20
32.
6 + 0 =
6
33.
16 + 4 =
20
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen