Sommen oplossen tot 50

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

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