Supersnelle sommen tot 100

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

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