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9. .




173. , . , . , , . , . - . ? , ? : ?

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174. 1933 , , , . . : , . . , ? ?

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175. , ? ?

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176. - .

177. , :

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178. -, , , :

) MPL =W; ) MPL = MRCL;
) MR x MPL = MRCL; ) ) ).

179. , , , :

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180. , :

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181. :

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182. U = 1/2 L /1/2, ; L . 20 ./. 80 ./. 2. .

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183. , , Q = 12 L L 2, 0 ≤ L ≤ 6, L (/) Q - . 1 . . .

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) 4 ./?

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184. , p = 5. , , . , , Q(L, ) = 2 L 1/2 + 3 , Q ; L - . .

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185. , 16 ./ (H) 17 . , 112 ./. , . ?

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186. 2000 ./ 40 3000 ./ . 50 . 2200 ./ . , . , . ?

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187. w d = 10 1/5 L, wS = 2 + 1/450 L 2, w ; L . .

 
 

 

 


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188. , , .. () , ( () , , ). w = 5 + 3 L. L = 50 0,5 w. w, L. ?

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189. Q (L i) = 16 L i L i2, L i , , 0 < L i < 8. 10 . = 10 Q, Q . . .

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190. - ( 2 . .), Q = 50 L - 0,25 L 2 (0 ≤ L ≤ 100). . Ls = -20 + 2 W, Ls= 1 0 + 0,5 W. :

) ? ?

) , ?

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191. , . ? .

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192. ? ?

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