Los de erbijsom tot 100 op

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

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