Erbijsommen tot 100

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

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