Los de som tot 50 op

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

Los de som tot 50 op
| ANTWOORDEN

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