Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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