Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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