Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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