Reken de erafsommen tot 50 uit

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

Reken de erafsommen tot 50 uit
| ANTWOORDEN

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