Erafsommen tot 50 maken

Erafsommen
1.
45
–
45
=
2.
20
–
20
=
3.
45
–
5
=
4.
50
–
40
=
5.
30
–
30
=
6.
30
–
20
=
7.
20
–
15
=
8.
25
–
20
=
9.
15
–
0
=
10.
35
–
10
=
11.
45
–
10
=
12.
5
–
5
=
13.
35
–
10
=
14.
45
–
20
=
15.
15
–
10
=
16.
15
–
15
=
17.
40
–
30
=
18.
15
–
0
=
19.
25
–
5
=
20.
20
–
0
=
21.
45
–
25
=
22.
50
–
25
=
23.
5
–
5
=
24.
50
–
5
=
25.
45
–
30
=
26.
20
–
0
=
27.
45
–
5
=
28.
35
–
10
=
29.
10
–
0
=
30.
35
–
0
=
31.
45
–
5
=
32.
10
–
0
=
33.
45
–
15
=
34.
20
–
15
=
35.
30
–
5
=
36.
25
–
15
=
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Erafsommen tot 50 maken
| ANTWOORDEN

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