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