Supersnelle sommen tot 100

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

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