Erbijsommen tot 100

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

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