Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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