Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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