Los de erbijsom tot 100 op

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

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