, , - , , , , , .

 

 

 :

: , . () , . , , . , , , , .

: = () / (), . , , . , . , /2.

, , — , .


, , , — 0,5 21,6 21,1.

, .

18,5 , . 18,5 24,9 , . 25 29,9 , . 30 ,

                                                                                                                   

500 600 — , .

, . .

, :


 

 

 :

, , .

 

 

 :


, , .

:

, , — 1,375.

1415 * 1,375 = 1945 .

, .

1945 / 4 = 486

, , , 486.

, , , . , , 500, !

, , - , , , , , .

 

 :

, : 7000 . , 7000, .

, , «» (2000 — 500 = 1500 ), , 5:2 3000, — 6000. 3800 . , , 5:2 , — .

, . , 5:2 , , .

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