Maak de erbijsom tot 50

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

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