Rekensommen met eraf tot 100

Erafsommen
1.
50
–
40
=
2.
55
–
5
=
3.
85
–
20
=
4.
10
–
0
=
5.
35
–
0
=
6.
30
–
10
=
7.
5
–
5
=
8.
35
–
25
=
9.
20
–
15
=
10.
70
–
70
=
11.
70
–
25
=
12.
70
–
50
=
13.
70
–
50
=
14.
45
–
40
=
15.
80
–
10
=
16.
45
–
25
=
17.
75
–
50
=
18.
90
–
25
=
19.
70
–
60
=
20.
30
–
0
=
21.
40
–
40
=
22.
50
–
10
=
23.
15
–
15
=
24.
80
–
35
=
25.
55
–
40
=
26.
60
–
15
=
27.
80
–
35
=
28.
60
–
55
=
29.
85
–
5
=
30.
10
–
10
=
31.
15
–
10
=
32.
15
–
10
=
33.
70
–
45
=
34.
75
–
60
=
35.
75
–
5
=
36.
35
–
25
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
50
–
40
=
10
2.
55
–
5
=
50
3.
85
–
20
=
65
4.
10
–
0
=
10
5.
35
–
0
=
35
6.
30
–
10
=
20
7.
5
–
5
=
0
8.
35
–
25
=
10
9.
20
–
15
=
5
10.
70
–
70
=
0
11.
70
–
25
=
45
12.
70
–
50
=
20
13.
70
–
50
=
20
14.
45
–
40
=
5
15.
80
–
10
=
70
16.
45
–
25
=
20
17.
75
–
50
=
25
18.
90
–
25
=
65
19.
70
–
60
=
10
20.
30
–
0
=
30
21.
40
–
40
=
0
22.
50
–
10
=
40
23.
15
–
15
=
0
24.
80
–
35
=
45
25.
55
–
40
=
15
26.
60
–
15
=
45
27.
80
–
35
=
45
28.
60
–
55
=
5
29.
85
–
5
=
80
30.
10
–
10
=
0
31.
15
–
10
=
5
32.
15
–
10
=
5
33.
70
–
45
=
25
34.
75
–
60
=
15
35.
75
–
5
=
70
36.
35
–
25
=
10
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