Snelle sommen tot 100

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

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