The document contains a series of addition problems with missing addends. Each line provides the sum and one addend, with the other addend missing. There are over 50 individual addition problems listed in the document.

1. Laguntza gela
.... + 10 = 50
+ 10 = 40
+ 20 = 40
+ 20 = 60
+ 30 = 70
+ 50 = 80
+ 10 = 20
+ 10 = 90
+ 40 = 50
+ 30 = 40
+ 30 = 50
+ 10 = 70
+ 50 = 60
+ 30 = 60
+ 20 = 20
+ 30 = 80
+ 20 = 80
+ 50 = 60
+ 30 = 60
+ 10 = 30
+ 20 = 60
+ 50 = 70
+ 40 = 60
+ 40 = 70
+ 20 = 60
+ 10 = 10
+ 70 = 90
+ 50 = 60
+ 30 = 90
+ 10 = 60
+ 20 = 30
+ 70 = 90
+ 40 = 80
+ 30 = 70
+ 40 = 60
+ 70 = 80
+ 60 = 80
1

2. Laguntza gela
10 + .... = 50
10 +
= 40
20 +
= 40
30 +
= 40
70 +
= 80
10 +
= 50
20 +
= 40
40 +
= 50
50 +
= 80
10 +
= 90
20 +
= 80
40 +
= 40
70 +
= 90
30 +
= 40
20 +
= 40
30 +
= 60
20 +
= 70
40 +
= 60
30 +
= 70
70 +
= 80
10 +
= 70
10 +
= 30
20 +
= 60
50 +
= 90
20 +
= 80
30 +
= 60
40 +
= 90
60 +
= 90
40 +
= 70
20 +
= 50
10 +
= 60
10 +
= 80
30 +
= 50
50 +
= 50
20 +
= 40
10 +
= 40
20 +
= 80
2