Los de som tot 50 op

Erbijsommen
1.
15
+
35
=
50
35
2.
5
+
5
=
10
5
3.
10
+
35
=
35
45
4.
0
+
40
=
30
40
5.
35
+
0
=
35
40
6.
50
+
0
=
30
50
7.
10
+
40
=
50
45
8.
10
+
20
=
30
25
9.
35
+
10
=
45
35
10.
50
+
0
=
50
45
11.
0
+
20
=
20
30
12.
25
+
25
=
50
40
13.
0
+
50
=
50
45
14.
40
+
0
=
40
30
15.
40
+
10
=
30
50
16.
30
+
15
=
25
45
17.
0
+
40
=
30
40
18.
10
+
40
=
50
30
19.
10
+
35
=
45
30
20.
15
+
20
=
40
35
21.
25
+
15
=
40
30
22.
40
+
5
=
35
45
23.
5
+
40
=
45
30
24.
25
+
0
=
25
15
25.
50
+
0
=
50
45
26.
40
+
0
=
25
40
27.
50
+
0
=
50
45
28.
20
+
30
=
30
50
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Los de som tot 50 op
| ANTWOORDEN

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