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55 1,5
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1 2 2 0,8
# . 9.2 9.3
9.4.
“ ”, : ;
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9.5.
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F.. =&3 .
9.6.
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# . 9.3 9.6 |
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9.7. |
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F- = 16&0, F12- = -& ,50 |
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F1 = F
16= 0 – (-&50;) = 210
F =- F– F
Fmax=4 =F3 F+F34-= 5 + 21&0; = 215
$ :P 2F=2 2= · 5& .= 10
# . 9.4 9.7
9.8.
" , ,
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2=02+2F3-F2=0 + &5 ;= 25 |
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16-F=6 |
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== F |
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$ :P |
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# . 9.5 |
9.8 |
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9.%9. |
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F-= -&10,0 |
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ef |
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k |
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= 1,2, F. |
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9.9. |
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o |
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100 1,2 |
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F= |
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F |
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k |
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+4 =F100 |
+ &60;2=F=160+F2 |
F16= 10-+ 30;F=3 19=2 0=F190; |
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F1 = F |
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Fmax=19&0; |
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$ :P 2F=2 2= · |
19&0 .= 380 |
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