Reken de sommen tot 50 uit

Erbijsommen
1.
5
+
45
=
35
50
2.
0
+
50
=
50
40
3.
0
+
30
=
40
30
4.
0
+
35
=
30
35
5.
5
+
30
=
25
35
6.
0
+
50
=
35
50
7.
0
+
45
=
45
30
8.
5
+
25
=
20
30
9.
0
+
50
=
30
50
10.
5
+
45
=
50
45
11.
0
+
45
=
45
35
12.
0
+
50
=
50
30
13.
20
+
25
=
45
40
14.
0
+
50
=
50
35
15.
0
+
10
=
10
15
16.
10
+
30
=
40
30
17.
5
+
30
=
45
35
18.
0
+
50
=
50
40
19.
10
+
15
=
35
25
20.
0
+
35
=
45
35
21.
0
+
40
=
40
35
22.
20
+
25
=
45
40
23.
0
+
20
=
20
30
24.
0
+
40
=
40
20
25.
0
+
50
=
35
50
26.
0
+
50
=
35
50
27.
20
+
25
=
45
30
28.
5
+
30
=
35
25
© JuniorEinstein.nl
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Reken de sommen tot 50 uit
| ANTWOORDEN

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