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