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