Erafsommen tot 50 maken

Erafsommen
1.
40
–
35
=
2.
40
–
25
=
3.
20
–
0
=
4.
20
–
0
=
5.
25
–
20
=
6.
10
–
0
=
7.
45
–
20
=
8.
30
–
10
=
9.
40
–
30
=
10.
45
–
5
=
11.
45
–
35
=
12.
25
–
25
=
13.
10
–
5
=
14.
10
–
0
=
15.
50
–
25
=
16.
50
–
50
=
17.
35
–
30
=
18.
30
–
30
=
19.
35
–
0
=
20.
30
–
25
=
21.
10
–
5
=
22.
40
–
30
=
23.
30
–
30
=
24.
25
–
15
=
25.
35
–
25
=
26.
5
–
0
=
27.
30
–
0
=
28.
30
–
10
=
29.
40
–
15
=
30.
50
–
40
=
31.
15
–
0
=
32.
50
–
5
=
33.
35
–
25
=
34.
10
–
10
=
35.
10
–
10
=
36.
25
–
25
=
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen

Erafsommen tot 50 maken
| ANTWOORDEN

Erafsommen
1.
40
–
35
=
5
2.
40
–
25
=
15
3.
20
–
0
=
20
4.
20
–
0
=
20
5.
25
–
20
=
5
6.
10
–
0
=
10
7.
45
–
20
=
25
8.
30
–
10
=
20
9.
40
–
30
=
10
10.
45
–
5
=
40
11.
45
–
35
=
10
12.
25
–
25
=
0
13.
10
–
5
=
5
14.
10
–
0
=
10
15.
50
–
25
=
25
16.
50
–
50
=
0
17.
35
–
30
=
5
18.
30
–
30
=
0
19.
35
–
0
=
35
20.
30
–
25
=
5
21.
10
–
5
=
5
22.
40
–
30
=
10
23.
30
–
30
=
0
24.
25
–
15
=
10
25.
35
–
25
=
10
26.
5
–
0
=
5
27.
30
–
0
=
30
28.
30
–
10
=
20
29.
40
–
15
=
25
30.
50
–
40
=
10
31.
15
–
0
=
15
32.
50
–
5
=
45
33.
35
–
25
=
10
34.
10
–
10
=
0
35.
10
–
10
=
0
36.
25
–
25
=
0
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen