Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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