Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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