Rekensommen met erbij tot 50

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

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