Sommen oplossen tot 50

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

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