Reken de erbijsom tot 20 uit

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

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