Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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