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