Erafsommen oplossen tot 50

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

Erafsommen oplossen tot 50
| ANTWOORDEN

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