Los de erbijsom tot 100 op

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

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