Sommen oplossen tot 50

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

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