Reken de erbijsom tot 50 uit

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

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