Los de erbijsom tot 100 op

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

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