Los de erbijsom tot 100 op

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

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