Los de erbijsom tot 100 op

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

Los de erbijsom tot 100 op
| ANTWOORDEN

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