Erbijsommen tot 100

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

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