Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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