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z: , I z , , , .

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7-1. m = 1 l = 1 , . . = 1 ×. . . g = 10 /2.

7-2. m l , . a . . m = 1 , l = 1 , a = 30, g = 10 /2.

7-3. m = 1 l = 1 , . a = 30 =1 . .

7-4. m l , . . . .

m = 1 , l = 1 , F = 3 , = 1 ×.

7-5. b , . I. m . . . m = 1 , I = 1 , b = 1 , g = 10 /2.

7-6. b a , . I. m . . .

m = 1 , I = 1 , b = 1 , a = 2 , g = 10 /2.

7-7. . . t =1 e. , t =1 . A = 1 , e = 1 /2.

7-8. , . I. , 2. I = 1

7-9. , . I.

) ;

) , . 1, I = 1

7-10. . . t =1 e. , t =1 . A = 1 , e = 1 /2.






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