Maak de erbijsom tot 50

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

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