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