Rekensommen met eraf tot 100

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

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