Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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