Supersnelle sommen tot 100

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

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