. . 160. , , t1=31, 1=(R11 + R)7,

R 1 ( 250 ). , = 36 , a ti 110 .


. 160. , .

, , t2=32, 2 = (R8+R) 7, RT 4 ( 10 ). . 162 12 = 0,85 , a t2 = 2,5 . R8. R11 7 .

. 161, . 162. 1 (7)