Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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