Los de erbijsom tot 100 op

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

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