Sommen oplossen tot 50

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

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