Supersnelle sommen tot 100

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

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