Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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