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