Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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