Rekensommen met eraf tot 100

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

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