Snelle sommen tot 100

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

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