Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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