Rekensommen met erbij tot 50

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

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