Reken de erbijsom tot 50 uit

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

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