Rekensommen met erbij tot 50

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

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