Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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