Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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