Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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