Rekensommen met eraf tot 100

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

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