Supersnelle sommen tot 100

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

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