Rekensommen met eraf tot 100

Erafsommen
1.
75
–
40
=
2.
30
–
5
=
3.
25
–
0
=
4.
25
–
0
=
5.
90
–
65
=
6.
40
–
5
=
7.
25
–
25
=
8.
20
–
10
=
9.
30
–
30
=
10.
75
–
45
=
11.
75
–
70
=
12.
35
–
35
=
13.
70
–
60
=
14.
45
–
25
=
15.
60
–
20
=
16.
60
–
40
=
17.
5
–
0
=
18.
40
–
20
=
19.
60
–
55
=
20.
75
–
15
=
21.
50
–
30
=
22.
60
–
25
=
23.
15
–
0
=
24.
25
–
20
=
25.
85
–
55
=
26.
50
–
30
=
27.
80
–
55
=
28.
25
–
10
=
29.
90
–
55
=
30.
5
–
5
=
31.
95
–
20
=
32.
95
–
65
=
33.
80
–
5
=
34.
55
–
45
=
35.
65
–
65
=
36.
90
–
10
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
75
–
40
=
35
2.
30
–
5
=
25
3.
25
–
0
=
25
4.
25
–
0
=
25
5.
90
–
65
=
25
6.
40
–
5
=
35
7.
25
–
25
=
0
8.
20
–
10
=
10
9.
30
–
30
=
0
10.
75
–
45
=
30
11.
75
–
70
=
5
12.
35
–
35
=
0
13.
70
–
60
=
10
14.
45
–
25
=
20
15.
60
–
20
=
40
16.
60
–
40
=
20
17.
5
–
0
=
5
18.
40
–
20
=
20
19.
60
–
55
=
5
20.
75
–
15
=
60
21.
50
–
30
=
20
22.
60
–
25
=
35
23.
15
–
0
=
15
24.
25
–
20
=
5
25.
85
–
55
=
30
26.
50
–
30
=
20
27.
80
–
55
=
25
28.
25
–
10
=
15
29.
90
–
55
=
35
30.
5
–
5
=
0
31.
95
–
20
=
75
32.
95
–
65
=
30
33.
80
–
5
=
75
34.
55
–
45
=
10
35.
65
–
65
=
0
36.
90
–
10
=
80
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Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen