173. , . , . , , . , . - . ? , ? : ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
_____________
_____________
_____________
174. 1933 , , , . . : , . . , ? ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
175. , ? ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
( )
176. - .
177. , :
) , ;
) -, ;
) ;
) : .
178. -, , , :
|
|
) MPL =W; | ) MPL = MRCL; |
) MR x MPL = MRCL; | ) ) ). |
179. , , , :
) , , ;
) ;
) ;
) , .
180. , :
) ;
) ;
) ;
) .
181. :
) ;
) ;
) -;
) .
182. U = 1/2 L /1/2, ; L . 20 ./. 80 ./. 2. .
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
183. , , Q = 12 L L 2, 0 ≤ L ≤ 6, L (/) Q - . 1 . . .
) .
) 4 ./?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
184. , p = 5. , , . , , Q(L, ) = 2 L 1/2 + 3 , Q ; L - . .
|
|
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
185. , 16 ./ (H) 17 . , 112 ./. , . ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
186. 2000 ./ 40 3000 ./ . 50 . 2200 ./ . , . , . ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
187. w d = 10 1/5 L, wS = 2 + 1/450 L 2, w ; L . .
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
188. , , .. () , ( () , , ). w = 5 + 3 L. L = 50 0,5 w. w, L. ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
_____________
189. Q (L i) = 16 L i L i2, L i , , 0 < L i < 8. 10 . = 10 Q, Q . . .
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
190. - ( 2 . .), Q = 50 L - 0,25 L 2 (0 ≤ L ≤ 100). . Ls = -20 + 2 W, Ls= 1 0 + 0,5 W. :
|
|
) ? ?
) , ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
_____________
_____________
_____________
( )
191. , . ? .
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
192. ? ?
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
__________________________
_____________
_____________
_____________
_____________