Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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