Supersnelle sommen tot 100

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

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