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