Los de erafsommen tot 50 op

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

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