Reken de erbijsom tot 50 uit

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

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