Reken de erbijsom tot 50 uit

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

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