Rekensommen met eraf tot 100

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

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