Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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