Rekensommen met eraf tot 100

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

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