Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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