Sommen oplossen tot 50

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

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