Rekensommen met erbij tot 50

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

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