Rekensommen met erbij tot 50

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

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