Supersnelle sommen tot 100

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

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