Los de erbijsom tot 100 op

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

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