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