Supersnelle sommen tot 100

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

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