Snelle erafsommen tot 100

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

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