Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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