Sommen oplossen tot 50

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

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