Rekensommen met eraf tot 100

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

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