Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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