Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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