. :
1. , .
2. .
3. .
4. .
, "" "", ENTER() LEAVE().
6-1. ENTER.
A , B .
6-2. LEAVE.
A , B
.
ENTER :
1. " " B.
2. " " B.
3. " " B.
LEAVE :
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2. " " B.
STORAGE:
STORAGE A
, A - . STORAGE .
6-1.
. . , , . , . - .
42 , 81. 100 8- .
6-2.
9 . . 73 , , ( ) 426 . , .
6-3.
. . . 33560 , 11025 . 11530 . (8). , . . 3000 . .
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6-4.
, . . 1 3 . 31 , 52 . 41 . . , .
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6-5.
. . . 255 . 52 , - 105 .
. 8 . , . . 200 , 600 . , .