Sommen oplossen tot 50

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

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