Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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