Reken de erbijsom tot 50 uit

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

Reken de erbijsom tot 50 uit
| ANTWOORDEN

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