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