Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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