Sommen oplossen tot 50

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

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