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45.
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46. :
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47.
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48.
) F (t) = F [x (t), V(t), S(t)]
) y(t) = F[x (t), V(t), S(t)]
) y(t) = F[ V(t), S(t), t ]
) y(t) = F[x (t), V(t), S(t), t ]
49. L2T-1
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50. , , ,
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51. ,
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52.
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53.
) L2/
B) M/
C) T3 Θ /ML2
) ML/ Θ T3
54. ,
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55.
) L2/
B) M/
C) T3 Θ /ML2
) ML/ Θ T3
, ( 1).
1-
| %-堠 | |||
| 4,0 | 95- 100 | ||
| - | 3,67 | 90-94 | |
| + | 3,33 | 85-89 | |
| 3,0 | 80-84 | ||
| - | 2,67 | 75-79 | |
| + | 2,33 | 70-74 | |
| 2,0 | 65-69 | ||
| - | 1,67 | 60-64 | |
| D+ | 1,33 | 55-59 | |
| D- | 1,0 | 50-54 | |
| F | 0 | 0-49 |
() . 100- () 2.
|
|
|
2 -
| 0,4 | |
| 1,2 | 20,2 |
| 0,20 | |
| () | 1,0 |
() . (1 2) 100- ,
= (1+2)/2
0,2:
= 0,2+0,8.
,
= 0,6+0,4,
.
