Reken de sommen tot 50 uit

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

Reken de sommen tot 50 uit
| ANTWOORDEN

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