Supersnelle sommen tot 100

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

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