Los de erbijsom tot 100 op

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

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