Los de som tot 50 op

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

Los de som tot 50 op
| ANTWOORDEN

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