Snelle erafsommen tot 100

Erafsommen
1.
50
-
40
=
20
15
0
10
2.
20
-
10
=
0
20
10
15
3.
15
-
5
=
0
20
5
10
4.
95
-
35
=
70
65
60
55
5.
55
-
10
=
40
50
35
45
6.
75
-
50
=
35
15
25
30
7.
100
-
10
=
85
70
90
80
8.
90
-
0
=
85
75
80
90
9.
25
-
25
=
10
0
15
20
10.
70
-
30
=
40
50
35
45
11.
95
-
80
=
15
20
25
5
12.
45
-
35
=
5
0
10
20
13.
10
-
10
=
10
20
0
5
14.
80
-
70
=
5
20
10
0
15.
60
-
50
=
10
15
20
5
16.
90
-
85
=
20
10
5
25
17.
55
-
55
=
15
20
0
10
18.
85
-
85
=
20
5
15
0
19.
35
-
5
=
30
35
25
20
20.
90
-
60
=
25
20
40
30
21.
85
-
0
=
75
85
90
95
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Snelle erafsommen tot 100
| ANTWOORDEN

Erafsommen
1.
50
-
40
=
20
15
0
10
2.
20
-
10
=
0
20
10
15
3.
15
-
5
=
0
20
5
10
4.
95
-
35
=
70
65
60
55
5.
55
-
10
=
40
50
35
45
6.
75
-
50
=
35
15
25
30
7.
100
-
10
=
85
70
90
80
8.
90
-
0
=
85
75
80
90
9.
25
-
25
=
10
0
15
20
10.
70
-
30
=
40
50
35
45
11.
95
-
80
=
15
20
25
5
12.
45
-
35
=
5
0
10
20
13.
10
-
10
=
10
20
0
5
14.
80
-
70
=
5
20
10
0
15.
60
-
50
=
10
15
20
5
16.
90
-
85
=
20
10
5
25
17.
55
-
55
=
15
20
0
10
18.
85
-
85
=
20
5
15
0
19.
35
-
5
=
30
35
25
20
20.
90
-
60
=
25
20
40
30
21.
85
-
0
=
75
85
90
95
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen