Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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