Erbijsommen tot 100

Erbijsommen
1.
55
+
15
=
65
70
2.
35
+
10
=
45
35
3.
90
+
10
=
85
100
4.
15
+
15
=
40
30
5.
75
+
10
=
90
85
6.
70
+
30
=
100
90
7.
75
+
0
=
75
65
8.
75
+
20
=
75
95
9.
70
+
5
=
75
80
10.
40
+
15
=
45
55
11.
40
+
35
=
75
65
12.
35
+
15
=
45
50
13.
25
+
15
=
40
30
14.
40
+
40
=
80
90
15.
40
+
40
=
90
80
16.
70
+
10
=
90
80
17.
95
+
5
=
100
85
18.
65
+
20
=
85
75
19.
55
+
0
=
65
55
20.
65
+
20
=
95
85
21.
75
+
20
=
95
80
22.
65
+
5
=
70
65
23.
40
+
35
=
70
75
24.
70
+
20
=
85
90
25.
70
+
10
=
85
80
26.
35
+
20
=
65
55
27.
80
+
0
=
80
85
28.
90
+
5
=
95
90
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Erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
55
+
15
=
65
70
2.
35
+
10
=
45
35
3.
90
+
10
=
85
100
4.
15
+
15
=
40
30
5.
75
+
10
=
90
85
6.
70
+
30
=
100
90
7.
75
+
0
=
75
65
8.
75
+
20
=
75
95
9.
70
+
5
=
75
80
10.
40
+
15
=
45
55
11.
40
+
35
=
75
65
12.
35
+
15
=
45
50
13.
25
+
15
=
40
30
14.
40
+
40
=
80
90
15.
40
+
40
=
90
80
16.
70
+
10
=
90
80
17.
95
+
5
=
100
85
18.
65
+
20
=
85
75
19.
55
+
0
=
65
55
20.
65
+
20
=
95
85
21.
75
+
20
=
95
80
22.
65
+
5
=
70
65
23.
40
+
35
=
70
75
24.
70
+
20
=
85
90
25.
70
+
10
=
85
80
26.
35
+
20
=
65
55
27.
80
+
0
=
80
85
28.
90
+
5
=
95
90
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen