Los de erbijsom tot 100 op

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

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