Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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