Rekensommen met erbij tot 50

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

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