Los de erbijsom tot 100 op

Erbijsommen
1.
30
+
70
=
100
95
85
80
2.
0
+
35
=
45
30
35
25
3.
5
+
10
=
20
15
10
5
4.
10
+
30
=
35
50
30
40
5.
15
+
30
=
35
55
45
40
6.
15
+
40
=
55
65
60
45
7.
0
+
40
=
45
30
40
50
8.
20
+
60
=
85
70
75
80
9.
10
+
70
=
70
80
85
90
10.
5
+
90
=
90
80
75
95
11.
0
+
45
=
50
40
45
35
12.
30
+
40
=
70
80
75
65
13.
0
+
100
=
100
95
80
90
14.
20
+
20
=
35
40
45
50
15.
20
+
80
=
90
95
100
85
16.
10
+
70
=
90
75
80
85
17.
30
+
50
=
85
75
70
80
18.
15
+
40
=
50
45
55
60
19.
15
+
75
=
85
90
70
75
20.
15
+
85
=
80
90
95
100
21.
20
+
65
=
80
90
75
85
© JuniorEinstein.nl
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Los de erbijsom tot 100 op
| ANTWOORDEN

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