Supersnelle sommen tot 100

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

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