Los de erbijsom tot 100 op

Erbijsommen
1.
30
+
60
=
85
80
90
75
2.
10
+
85
=
95
75
80
90
3.
10
+
20
=
25
30
40
20
4.
5
+
80
=
75
85
90
80
5.
10
+
20
=
20
35
30
25
6.
5
+
70
=
70
75
85
65
7.
5
+
10
=
5
10
15
20
8.
0
+
90
=
70
85
75
90
9.
0
+
100
=
90
100
80
85
10.
20
+
20
=
45
40
30
50
11.
10
+
15
=
35
20
15
25
12.
25
+
40
=
60
70
55
65
13.
15
+
80
=
80
90
75
95
14.
10
+
65
=
80
70
75
65
15.
40
+
40
=
90
80
85
70
16.
10
+
90
=
100
95
80
85
17.
30
+
55
=
95
85
75
90
18.
20
+
80
=
85
100
80
95
19.
0
+
50
=
50
60
40
55
20.
0
+
20
=
20
30
10
25
21.
20
+
65
=
85
80
90
95
© JuniorEinstein.nl
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Los de erbijsom tot 100 op
| ANTWOORDEN

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