Rekensommen met eraf tot 100

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

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