Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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