Maak de erbijsom tot 50

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

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