Supersnelle sommen tot 100

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

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