Reken de erbijsom tot 50 uit

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

Reken de erbijsom tot 50 uit
| ANTWOORDEN

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