Erbijsommen tot 100

Erbijsommen
1.
20
+
15
=
25
35
2.
35
+
10
=
50
45
3.
60
+
40
=
80
100
4.
60
+
30
=
90
80
5.
55
+
35
=
90
85
6.
75
+
5
=
80
90
7.
65
+
25
=
75
90
8.
40
+
0
=
40
50
9.
25
+
20
=
40
45
10.
65
+
20
=
75
85
11.
65
+
30
=
95
90
12.
90
+
5
=
95
85
13.
45
+
40
=
85
95
14.
60
+
35
=
90
95
15.
75
+
20
=
90
95
16.
60
+
20
=
80
75
17.
85
+
0
=
85
90
18.
75
+
0
=
65
75
19.
90
+
5
=
75
95
20.
90
+
10
=
100
95
21.
60
+
20
=
85
80
22.
70
+
5
=
75
80
23.
80
+
10
=
85
90
24.
35
+
15
=
50
55
25.
70
+
25
=
95
90
26.
30
+
5
=
35
25
27.
95
+
0
=
85
95
28.
40
+
10
=
60
50
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Erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
20
+
15
=
25
35
2.
35
+
10
=
50
45
3.
60
+
40
=
80
100
4.
60
+
30
=
90
80
5.
55
+
35
=
90
85
6.
75
+
5
=
80
90
7.
65
+
25
=
75
90
8.
40
+
0
=
40
50
9.
25
+
20
=
40
45
10.
65
+
20
=
75
85
11.
65
+
30
=
95
90
12.
90
+
5
=
95
85
13.
45
+
40
=
85
95
14.
60
+
35
=
90
95
15.
75
+
20
=
90
95
16.
60
+
20
=
80
75
17.
85
+
0
=
85
90
18.
75
+
0
=
65
75
19.
90
+
5
=
75
95
20.
90
+
10
=
100
95
21.
60
+
20
=
85
80
22.
70
+
5
=
75
80
23.
80
+
10
=
85
90
24.
35
+
15
=
50
55
25.
70
+
25
=
95
90
26.
30
+
5
=
35
25
27.
95
+
0
=
85
95
28.
40
+
10
=
60
50
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen