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