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3.1

=

;

;

;

;

;

.

=1(. 13.2, 13.3,/2/)

=1(. 13.2, 13.3,/2/)

=1(. 13.2, 13.3,/2/)

=1 (. 13.2, 13.3,/2/)

=1,3(. 13.2, 13.3,/2/)

=1 (. 13.2, 13.3,/2/)

;

= 1*1*1*1*1,3*1=1,3

Z1 =25 (c. 286, /2/)

Z2 = Z1 U =25*2,87235=72

=1 z

1=2,55

=n0/n1=200/238,75=0,84

z= Z0 /Z1=25/25=1

K=1,3

=2,55*1,3*1*0,84=2,8

3.4 :

-15,875-23000-2: =15,875 , d= 5,08 , B= 13,28 , [P ] =2,7 (. 13.4,/2/).

=40 =40*15,875=635

L=129

0,13%

=1012





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