Rekensommen met eraf tot 100

Erafsommen
1.
10
–
0
=
2.
35
–
20
=
3.
90
–
70
=
4.
75
–
70
=
5.
70
–
55
=
6.
70
–
60
=
7.
60
–
60
=
8.
5
–
0
=
9.
100
–
0
=
10.
60
–
15
=
11.
20
–
5
=
12.
60
–
35
=
13.
100
–
35
=
14.
85
–
75
=
15.
60
–
15
=
16.
70
–
45
=
17.
85
–
0
=
18.
65
–
15
=
19.
100
–
80
=
20.
25
–
0
=
21.
95
–
40
=
22.
85
–
80
=
23.
45
–
20
=
24.
80
–
60
=
25.
60
–
10
=
26.
15
–
15
=
27.
40
–
5
=
28.
10
–
5
=
29.
60
–
55
=
30.
5
–
5
=
31.
95
–
30
=
32.
50
–
25
=
33.
20
–
15
=
34.
15
–
15
=
35.
75
–
55
=
36.
55
–
5
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

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