Reken de sommen tot 50 uit

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

Reken de sommen tot 50 uit
| ANTWOORDEN

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