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