Los de erbijsom tot 100 op

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

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