Los de erafsommen tot 50 op

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

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