RadiobookA


 
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2. -

2.9.

, . . 2.35 . . 2.1.

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47


2.1

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600 600... 10000 1000...1500 4,0...10,0 4,50...12,0 6,70...16,70 2,60...6,50 3,30...8,30 4,60...11,50

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. 2.2 11- .

2.2

, , 3, ,
4000...6000 11...66 3...12
2000...4000
 
11...60 3...21
1000...2000    
600...1000    
400...600