Los de erbijsom tot 100 op

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

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