Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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