Sommen oplossen tot 50

Erbijsommen
1.
5
+
15
=
2.
15
+
20
=
3.
5
+
40
=
4.
20
+
30
=
5.
20
+
30
=
6.
0
+
50
=
7.
5
+
40
=
8.
0
+
50
=
9.
0
+
45
=
10.
20
+
20
=
11.
15
+
25
=
12.
15
+
30
=
13.
10
+
35
=
14.
5
+
40
=
15.
0
+
50
=
16.
0
+
40
=
17.
0
+
35
=
18.
0
+
30
=
19.
15
+
25
=
20.
0
+
50
=
21.
5
+
40
=
22.
20
+
30
=
23.
5
+
40
=
24.
10
+
25
=
25.
0
+
20
=
26.
15
+
15
=
27.
10
+
40
=
28.
25
+
25
=
29.
0
+
25
=
30.
15
+
30
=
31.
15
+
35
=
32.
0
+
30
=
33.
5
+
45
=
34.
0
+
45
=
35.
5
+
35
=
36.
15
+
25
=
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Sommen oplossen tot 50
| ANTWOORDEN

Erbijsommen
1.
5
+
15
=
20
2.
15
+
20
=
35
3.
5
+
40
=
45
4.
20
+
30
=
50
5.
20
+
30
=
50
6.
0
+
50
=
50
7.
5
+
40
=
45
8.
0
+
50
=
50
9.
0
+
45
=
45
10.
20
+
20
=
40
11.
15
+
25
=
40
12.
15
+
30
=
45
13.
10
+
35
=
45
14.
5
+
40
=
45
15.
0
+
50
=
50
16.
0
+
40
=
40
17.
0
+
35
=
35
18.
0
+
30
=
30
19.
15
+
25
=
40
20.
0
+
50
=
50
21.
5
+
40
=
45
22.
20
+
30
=
50
23.
5
+
40
=
45
24.
10
+
25
=
35
25.
0
+
20
=
20
26.
15
+
15
=
30
27.
10
+
40
=
50
28.
25
+
25
=
50
29.
0
+
25
=
25
30.
15
+
30
=
45
31.
15
+
35
=
50
32.
0
+
30
=
30
33.
5
+
45
=
50
34.
0
+
45
=
45
35.
5
+
35
=
40
36.
15
+
25
=
40
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen