Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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