Rekensommen met erbij tot 50

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

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