Reken de sommen tot 50 uit

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

Reken de sommen tot 50 uit
| ANTWOORDEN

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