Los de erbijsom tot 100 op

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

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