(CIP) : /. :, 2004 ISBN 7 5045 4510 4.... T S974. 2 CIP (2004) 044759 (1 : 100029 ) : * 787 1092 16 8. 25 176 2004 6 1 2004 6 1 : : 15. 00 : 010 64929211 : 010 64911190 : http: / / www. class. com. cn : 010 64911344
+ X ( ),,,,,, :,, ( ),,
,,,,,,,,, 1 + X 1 + X 1, X,,, 1 + X, 1 + X, 1 + X,, 1 + X,,,,,,,,, 1
,,,,,,,,, 2
( 1 ) ( 1 ) ( 3 ) ( 6 ) ( 7 ) ( 9 ) ( 10 ) ( 11 ) ( 13 ) ( 13 ) ( 26 ) ( 28 ) ( 29 ) ( 30 ) ( 30 ) ( 40 ) ( 43 ) ( 45 ) ( 46 ) ( 47 ) ( 47 ) ( 55 ) ( 60 ) ( 68 ) ( 73 ) ( 73 )
( 81 ) ( 100) ( 101) ( 102) ( 102) ( 104) ( 105) ( 108) ( 108) ( 109) ( 109) ( 112) () ( 114) () ( 116) () ( 117) () ( 119) () ( 120) () ( 123)
,,,,,,,,,,,,,,,,,,,, 1
),,,,,,,,,,,,,, ;, ;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 2
,, :, ;,, ;,,, ;,,,,,,,,,,,,,,,,,,,,,,,, 1.,,,,,,,,,,, 2.,,,, 3
),,,, ( ) 3.,,,,,,,,,,, 1. (),,,,, 2.,, 3.,,, 4.,, 5.,,,,,,, 6. ( ),,,, 7., 8.,,,, 9.,,, 10.,,,,,, ( ), ( 4
), : 1.,,,, 2.,,,, 3. (1 ), (2 ),,, (3 ),, (4 ),,, 4. (1 ) ( ), (2 ),,,, (3 ), (4 ),,, (5 ) ( ), (6 ),,, 5., (1 ), (2 ), (3 ), 5
) (4 ) (5 ) 6. () (1 ) (2 ), (3 ) (4 ) (5 ),, (6 ),,, 1. 2.,,,,,, 3.,, : = +,, 2 6
2, : : () = () = 1 - -,,,, ;,,,,,,,,,,,,,,,,,,,,, 3 1., 2. 7
),,,,, 3.,,,,, 1. 2024,,,,,, 2.,,,,,,, 3.,,,,,, : 1., (1 ) 1520 min, 100,, (2 ) 2030 min, (3 ) 0. 25 % 0. 5 % 15 min, 2.,, 8 75%
( ), 3%, 15 min,,,,,,,, 30 min, 3.,,,,,,,,,,,,, 1.,,,, 2.,, : (1 ) :,,,,,,,,,, ;, ;, V ; 9
) (2 ) :,,,,, (3 ),,,,,,,,,,,,,,,, :, 10 ( ) 1. 2.,, 3. 4. 5. 6., : = (, ) 1. ( ) 2. 3 : ( ) 3. ( ) 4., ( )
5. ( ) 6., ( ) ( 4, 1, ) 1., A. B. C. D. 2. A. B. C. D. 3., A. 30% B. 50 % C. 75% D. 100% 4., min A. 10 B. 20 C. 30 D. 45 5. A. 2 B. 3 C. 4 D. 6 1.? 2.? 3.? 4.? 5.? 1. 2. 3. 4. 5. 6. + 1. 2. 3. 4. 5. 6. 1. A 2. C 3. C 4. B 5. B 1. :, 2. :,,,,,,,, 11
) 3. :,,,,, 4. : : (1 ),, (2 ),,, (3 ), (4 ),, 5. : : (1 ), (2 ) (3 ), (4 ), (5 ), 12
,,,,,, 3, 206, ( ),,,,, 21 22 1. 13
) 21 ( ), 8 (1 ),,,,,, (2 ),,,,,, (3 ),,, (4 ),,,,,, (5 ),,,,, (6 ),,,, 2.,, 15 14
22 (1 ),,, (2 ),,,,, (3 ),,,, (4 ),,, (5 ),,, (6 ),,, (7 ),,,,, (8 ),, (9 ),,, 15
3. ) 23, 6,, 29,, ;,,,,, ;,,,,,,, 40%,,,,,,,,,,,,,,,, 1., 23 24 (1 ),,,, 1),,, 2),, 3),,,,, 4),,, 5),, 16 6),,
23 ( ) 24 ( ) 7),,, 8),, 17
) 9),,,, 10 ),,,, 11 ),,,, 12 ),,,,, (2 ),,, 1),,,,, 2),,,, 2. 4 (1 ) 1),,, 2),,,, ;,, (2 ), (3 ), 4, (4 ),, 4,, 1. 52 m 2, 15%, 0. 54 mm,,,,,, 18,
, ( ),,,,,, 25, 26 : 25 1. 26,, 0. 070. 12 mm, 5, (1 ) 19
),,,,,,, (2 ), 23 (3 ), 23,,, (4 ), 410,, (5 ), 12,,,,,,,,,,,, 2.,, 10,,,,,,,,,,,,,,, 3.,,,,,,,,, 20 4.
(1 ),,,,,,, ( ),,, (2 ),,,,,,,,,,,, (3 ) ( ) ( ),,,,,,, ( ) ( ),, ( ) (), 5., (1 ),,,,,,,,,,, ph 4. 56. 5,,,,,, (2 ) 37,, :,,,,,,,,, ;,, (3 ),,, 21
) 6.,, 4,,,, (1 ),,,,,,,, 35, 4. 55,, ph (2 ),,,,,,,,,,,,,,, ph 55. 6 (3 ),,,,,, ( ) B2 C p H 5. 56. 6 (4 ),, T ( ),,,,, 2535,,,,, AB1 B6,,,,,,,,,,,,,, 22
1.,,,,,,, ( 0. 6 mm ) ( 27 ) 27,,,,,,,,,,,,,,,,,,, ( 28 ) ( 29 ),, 23
),,,, 28 2. 29,,,, 2 6, 25,, 45, 5%, 50100,,,, 0. 30. 4 mm, 1015, 95 %, 3.,,, 2550,, 5 :, ;, ;, ; ;, ;,,, ( ),,,, ( 210 ), 24
4., (1 ), ( ),, ( ), ( ), ( ), :,, 211 ;,,, 212 ;, 213 210 211 212 213 (2 ), 0. 060. 1 mm, 0. 08 mm, 0. 1 mm, 0. 06 0. 08 mm, 0. 040. 05 mm,,, 25
),,,,,, 1.,,, 214 2.,,,, 215 3.,,,,,, 216 4.,,,,, 217 214 215 216 217 5.,,,,, 26
2 18 6.,,,, 219 7.,,,,,, 220 218 219 220 1. :,, 43 : 2. :,, :, 3. : : 4. :,,, : 5. :, :, 6. :, 27
) :,, 7. :, :, 1., ;,,,,,, : 2. (1 ) :,, (2 ) :,, (3 ) :,,, ( ) 1. 2. 3., 4., 5. 6. (, ) 1. 8 ( ) 2. 3., 0. 1 0. 2 mm ( ) 4. 29 5. 80% ( ) 6. :, ( ) ( 4, 1, ) 28 1. A. 5 B. 6 C. 7 D. 8 2., ( ) ( )
A. B. C. D. 3., m 2 A. 11. 5 B. 1. 52 C. 22. 5 D. 01 4. A. B. C. D. 5. A. 12 B. 45 C. 68 D. 912 6., A. 8 B. 10 C. 15 D. 17 1.? 2.? 3.? 4.? 5.? 6.? 1. 2. 3. 4. 5. 6. 1. 2. 3. 4. 5. 6. 1. C 2. B 3. B 4. A 5. B 6. C 1. :,,,, 2. : 3. :,, 43, 4. : :, 5. : :, 6. : :,,, 29
1. ( ) ( ) ( ) ( )() 2., ;, ; 3. ( ) ( ) 4. ( ) ( ) 30 5.
1. (1 ),, (2 ),, 31 (3 ), 32 (4 ) ( ) 26 cm,,,,, 20 80,, 13. 2 cm, 14. 85 cm, 16. 5 cm, 18. 15 cm 19. 8 cm, ( ),, ; ( ),,,,, 4 5 6 7, 33 31 32 33 (5 ) ( ),,,,,, 34 (6 ),, 24 V, 36 V 220 V,, 35 (7 ),,,,, 31
) 34 35, 36 (8 ), 37 (9 ),, 38 36 37 38 ( 10 ),,,, 39 39 (11),,,,, 310 (12),,, 311 32 2. (1 ) ( 312),,
,,,, 310 311 312 1) ( 313 ),,,, 313 2) ( 314 ),,,,,, 3),, 315,,,, 314 315 33
) 4), (),,, 316 (2 ) 1) ( 317 ),,,,, 2),,,, 318 316 317 318 3) (),,,,, 319 319 34
(3 ),,, 320 (4 ) ( 321),,,,,,, 320 321 3., (1 ),,, 322 322 (2 ),,,,,, 323 (3 ),,,,, 324 (4 ) ( ),,,, 325 (5 ),,, 326 35
) 323 324 325 ( ) (6 ),, (7 ) ( ),,, 327 36
(8 ),,,,, 328 326 327 ( ) 328 (9 ), (10) ( 329 ), (11) ( 330 ),,,, (12), 331 (13),,,, 332 (14),,,, 333 4. (1 ),,, 334 (2 ),, 335 ( ) (3 ) (, ),, 336 (4 ),,,, (5 ),, 337 (6 ),, 338 37
) 329 (7 ), 339 (8 ) ( 340),, (9 ),,, 341 (10),, 342 38
330 331 332 333 334 335 336 337 39
) 338 339 340 341 342 1., 40
,, 2. (1 ),,, (2 ),, (3 ),,, (4 ),,,,, (5 ),,,,,,,,,,, E,,,,,, :, ;,, p H 9,,, 78,,,,, p H 6, ph,,,,,,,,,,,,,, 41 ph
),,,, ( ), ( ), ( ) ( ),,,,,,,, ( 35 min, ),,, ( )() (, ) (, ) :,, 1.,,,, 2.,,,,,,, 3.,,,,,, 42 4.,,, 5.,,,,, 6.,,,,
,, 7.,,,,, ( ) 1.,,,,,,,, 2.,, 450500 W, 3.,, ( ),, 400800 W, ( ),,,,,,, 400550 W,,,,,,, 1. ( ),,, ( ) 43
2. ),, 20 30,,,,,,,,,,,,,,,,,,,, 3.,,,,,, 1. (1 ), (2 ),, (3 ) 68 min,,, ( 4) 220 V, 36 V 24 V, 36 V 24 V, 220 V (5 ),,, 2. (1 ),,,,, (2 ) OF F,,,,,,, OF F, 44
3. (1 ),, (2 ),,, ( ) 1. 2. 3. 4. 5.,, 6. min,, (, ) 1. ( ) 2. ( ) 3. ( ) 4. 46 min,, ( ) 5. ( ) 6. ( ) ( 4, 1, ) 1. A. 2 B. 4 C. 6 D. 7 2. A. 15 cm B. 20 cm C. 26 cm D. 30 cm 3. A. 2 B. 3 C. 4 D. 8 4. A. 1 B. 2 C. 3 D. 5 5. A. B. C. D. 6. 45
) A. B. C. D. 1.? 2.? 3.? 4.? 5.? 6.? 1. 2. 24 V 36 V 220 V 3. 4. 5. 6. 68 1. 2. 3. 4. 5. 6. 1. A 2. C 3. C 4. B 5. A 6. C 1. :,, 2. :,,,,, 3. :, 4. :,,,,, 5. :,, 6. :,,,, 46
, 1.,,,,,,,,, 2.,, :,,,,,, ( ), 47
) 1.,,, :,,, ;, ;,,, 35% 2.,,,, 3., 4.,,,, 5.,,, 1.,,,,,,,,,,,,,,,,,,,,, 2.,,, p H,, 48
,, 1. (1 ),,,,, ( ),,, (2 ),,,,, :,,,,,,,,,,,,, (3 ),,,,,, 40 ( ), 5 cm,,,,,,, 12 min, (4 ),,,,,,,,, 2. ( ) (1 ),,,,,,,, (2 ) 1), 2),, 41 49
) 3), 40, 42 41 42 4),,,, 5 cm, 43 43 5),,, 44 6),, 45 44 45 50
7),,,,, 46 46 a) b ) c) 8),,,,,, 47 47 9),,,,, 51
),,, 48 48 10 ),, 49 11 ),,,, 410 12 ),, 411 13 ), 412, ( ) (3 ),,,,, 1) 25,, 413 52
49 410 411 ( ) ( ) 2),, 6 ;, 7 ;, 6 ; 53
) 412 413 6,,, 3) :,, ;,,,,,, 54
,,,,,, 1.,,, 2., :,,,,,, 3. 4. 5. 6. 7. 8. 9.,,, 1.,,,,,,, 10 cm,,,,,, 2.,, 75,,,,,, :,, 55
),,,,,,,,,, 414, :,,,, 415,, 414 415,,, :,,,,, 1.,, 2545,,, ( ),,,, 416 2.,,,,,,,,, 417 3.,,,,,,,,,, 56
416 417 418, 418 4.,,,,,,,, 419 5.,,,,,,,,,, 420 419 420 1. ( ), (1 ) : 1),,,,,,, 57
),,, 2),,,,,,,, 3), 4),, 4 5), (2 ) 1),, 4,, :,,,,,,,,,,,,, 2),,,,,,,,,,, 3),,, (3 ),,,,, 2.,,,,,,, 58
(1 ),,,,,,,,,, (2 ),,,,,,,,,,,,,,,,,, 3.,,, (1 ),,, (2 ) 24, (3 ),,, : 1.,,,, ;,,, ;,,, 2.,,, 25,,, 3.,,,, :, ;, ;, ( ) 59
) : 1., 2., 3., 4.,, 1.,,, (1 ),, 1),,, 2), 3), (2 ) 1),, 421 2),, 422,, ( ),, 2.,,,,,,,, ( 423) : 60
(1 ),,, (2 ) (3 ) 3060,,,,,,,, (4),,,, S,, (5 ),,, 35 min,,, (6 ),, (7 ), 61
) 422 423 (8 ), ( ),,, 62
1., : N, R, O,,, 2.,, 3.,, 4.,,,, 5.,, 6., 7.,, 8. 15 cm, 15 cm,,, 9. 1025 min, 10.,, 2,, 11. 5 min,, 12.,,, 10 min 13., 63
) 14.,,,, 1. (1), 1), 424 2), 425 424 425 (2 ),,, 426 2. (1 ) 1) 2) 1. 5 3) 2, (2 ), 1),, 427, 90, 64
,,,, 426 427 2), 428, 45,, 3), 429, 45,, 3.,,, (1 ), 430,,, (2 ), 431,,,,, 65
) 428 429 66
430 431 (3 ),, 432,,, 1. 9,, 433 432 433 2., 434,,,, (1 ), 67
) (2 ), 435,, 434 435 1.,, 2., : 1., 2. 3. 4. 5.,,,,,, 68 1.
( ), (1 ),, : 1), 2) (2 ) : 1),, 2) 3),, 2. ( ), (1 ) : 1),,, 2),, 3), (2 ) : 1),,, 2),, 3), 1. (1 ) 1),,,,, 2),, 3),, 4), 436 69
) 436 (2 ),, 1), 2448 h,, :,,, 24 h ;,,, ; 2),,,,, 3),, 4),,, 5), :, 70 (3 ) 1) 2) 3), 4),
5) 6) 7),, 8),, 9), 10 ) 2. (1 ) (2 ) (3 ) (4 ) (5 ) 11 (6 ) 4, 437 (7 ), 0. 751 cm, 5 cm2 cm, 438,,, 90, 437 a) b ) 438 (8 ) 30 min,, 15 min,, (9 ) (10) 6%, 9 % 71
) (11) 2 cm (12) 1015 min (13) (14),, (15),,,, (16) 3. 2 cm (1 ) (2 ) (3 ) (4 ) (5 ) 6%, 9% (6 ) 4 (7 ), 0. 751 cm, 5 cm,, 90, 2 cm (8 ) 1015 min (9 ) (10) 3% (11) 2 cm (12) (13) (14) (15) (16) 1., 2. 3.,,, 4.,, 5.,,, 72
1. 2.,,, 2030 min,,,,,,, 3 min,,,,,,,, 5 cm,,,, 20 min,,, 5 min,,,,,, 1.,,,, (1 ),, (2 ),, 73
), (3 ), (4 ),,,, (5 ),, (6 ) (7 ),,, 2.,, (1 ), ;,,,, (2 ) ( 439) ( ) 439 1) ( ),,, 2030 mm, 410 mm, 440 ( ),,, 441,, 442 74
440 441 442,,, 2) ( 443 ) ( ) (3 ), 1),,,,,,,,, 2),,,, 3),,, 10 mm, (4 ), 3, 444 75
) 443 1 2 3 4 444 1 2 3 4 5 6 1) ( ) 2),,,,, 3),, 5, 1.,,, ;,, (1 ),,,,, ( ) (2 ),,,,,,, 2.,, : 76 (1 ) (2 )
(3 ),, (4 ),, 3., (1 ),,, (2 ),,, (3 ),, 4. (1 ),, (2 ),,, (3 ),, (4 ),,,, 5. (1 ),,, (2 ),,,,,,,, 1. (1 ) 1),,,,,, :,,,,, 77
),,,,,,,,,,,,,,,,,,,,,,,,,,,, 2) ( ),,,,,,,,,,,,,,,,,, 3),,,,,,,,,,,,,, (2 ),,,,, 1) ( ) 445,,,, 2) 446,,, 78
445 446 3) 447,,,, 2. (1 ) 1),,, ( 90 ),,,,,,,, 2),,,,,, 447 3),,, 4),,, ( ),,,, 5),,, 79
), 6), (2 ) 1. (1 ) 1),,, 2),,,,,,,, ( ), ( ) (2 ) 1),,,,,,, 2),,,,,,, 30,,,, 3),,,,,, 4),,,,, 5),, 80 6),, 7),,,,
, 2. 5 3, 1. (1 ),,,,,,, (2 ),,, ( ),,, (3 ),,,,,, 2. (1 ),,,,, (2 ),,,,, (3 ),,,, (4 ),,,,,,,,, 81
) 1.,, (1 ), 2,,, (2 ),, (3 ), (4 ) ( ),,,,,, (5 ),,,,,, (6 ) 1), 2),,,, 3), (7 ),,, (8 ), ;, 2. (1 ),, 3 5,, 448 82 1),,
448 2) 3) 4) 20 cm 5) 20 cm, (2 ) 1),,,, 83
), 2),,,, 3),,,, ;, ;, ;, : 1. : 2. : 3. : 4. : 5. :,,,,,,,,,,,,,,,,,,,, 84
3 : 1. (1 ),,,,, (2 ),,,,,,,, (3 ),, 2.,, (1 ),,, :, 449 449 (2 ),, 4,, 450 (3 ), 4 1), 451 2) 90, 452 85
) 450 a) b ) c) d) 451 3), 453 4), 4 3.,, (1 ) 452 453 86
,,,,,, 454,,,,,,,,,,, : 454 a ) b ) c) 1),, 1545, 6075, 90120 2),,,, 3),,, 4), :,,, (2 ),, 87
),,, 455 :,,, : 1),,,, 2),,,,, 3),, (3 ),, 456,,,,, : 1), 2),, 3),,,, 455 456 (4 ), ( ), 457,,,,, : 1),,, 88
2),,,,, 3),,,, (5 ),, : 1),,,,, 2),,,, (6 ),,, 458 457 458 (7 ),,, 459 4.,, : (1 ),,,,,,, 460 (2 ),, 89
) 459 460 461 461,,,,, (3 ),, 462,,, ;,, (4 ),, 463 462 463 90 5. (1 ) 1) 4
2) 2 cm,,, 464a 3),,,,,,, 4),,, 5), 2 cm,,,,,,, 446b 6),, :,,,, 464c (2 ) 1) 4 464 a) b ) c) 2) 2 cm, 45,,, 45,,,,, 465a 3),, 4),, 45,,,, 465b, 91
) 465 a) b ) c) 5),,,,, 465c (3 ),, 466 466 a) b ) c) 1) 4 2) 2 cm, 45,,,,,, 3),,,, 4),,,,, 5), 92
1. (1 ),,, 1), 45,, 45 2) 34 cm,,,, 3),,,,,,,,,, 45, (2 ),,,,, 1) 467,,,,,,,,,, 467 93
), ( 468a),,,, ; ( 468b ),,,,,,,,, 469 468 a) b ) 469,,,,,,, 470,,, 471 470 471,, 2), :, ( 94
, ),,,, 472,,,,,,, 473, 360,,, 474,,,, 472 473 474 3,,, 2. (1 ) 1) :, ; ; ;, ;, ), ( 2) : ( ) ;, ; ; ;, (2 ) :, ; ;, ; ; (3 ) ( ),,,,,, 95
),, ( ), 2535 min, 10 min,,, :, ( ) ; ;,,, ; 3.,, (1 ) 1), 90, ; 90, 2),,, 3),, 4),,,,, 5),,,, (2 ),, 1),,, 3/ 4 ( ) 2),,, 45 3),,,,, 4),, ( ) ( ) ( ),,,,,,,, 96 ( ),,
3 :,, 1.,,,,,, : (1 ),,,,,,, (2 ),,,, (3 ),,,,,,,,, (4 ),,,, 2., (1 ),,,,,,,, (2 ),,,,,,,,,,,,,,,,,,,, 3. 97
),, (1 ) 1), 2), 3),, ;,,,,,, 4) (2 ),,, 1) (),,, 2),,,, 475,,, 3),,, 476,,, 4) :,,, 98
:,,, 477 475 476 477 5) :,,,,, :,,, (3 ) 1),,,, 2), 3),,,, (4 ),,, 1. (1 ),, (2 ),,, (3 ),,, 2. 99
) (1 ),, (2 ), (3 ), (4 ), ( ) 1.,, 2., 3. 4. 5., 6.,, (, ) 1., ( ) 2.,, ( ) 3., ( ) 4., ( ) 5. ( ) 6.,, ( ) ( 4, 1, ) 100 1. A. 36 h B. 1015 h C. 2428 h D. 1520 h 2. A. B. C. D. 3., A. B. C. D. 4., A. B. C. D. 5. A. 2 B. 3 C. 4 D. 5 6.
A. 3 B. 4 C. 2 D. 5 (1 )? (2 )? (3 )? (4 )? (5 )? (6 ),? 1. 2. 3. 4. 5. 6. 45 1. 2. 3. 4. 5. 6. 1. C 2. A 3. B 4. C 5. B 6. C 1. :,, 2. :,,, 3. :, 4. :,, 5. : :,,,,, 6. :,, 101
1.,,,,, :,,, 2.,, :,,, 3.,,, :,,, 102 4.
,,, :,,,, ( 51 ) : 51 103
) 1., 2.,,,,, 3.,,,,, 4.,,,,, ;,,, 5.,,,,,, 6.,,,,,,,,,,,,,,,, ;,,,,,, 104,
,,,,,,,,,,,,,,,,, p H ph 9,,,, p H 7,,,,,, ph 6, p H 4. 55. 5, ph p H,,,,,, 1., 2. (1 ),,,,, (2 ),,,,,, (3 ), 105
),,,, (4 ),,,,, 3.,,,,,,,,,, : (1 ),,,, (2 ),,,,, (3 ),,,,, 4.,,,,,,,,, (1 ) (2 ) 1) 2) 3) 4) 5) 6), 106
7),,, 8),,,, (3 ),,,, (4 ),, ( ),,, (5 ) 1) 2) 3) (6 ), 1.,, 2., 3.,,,,, 107
) ( ) 1. 2. (, ) 1. ( ) 2. ( ) 1. 2. 1. 2. 108
165 1. (1 ) (2 ) 61, 4,,, 0,,,,,, ( ), 20 min (3 ) 7,, 62,,, 63 2. (1 ) (2 ) 64, 4,,, 90,,,,, 109
) 61 62 63 ( ) 20 min (3 ) 7,,,,,,,,, 65 3. () (1 ), ( ) (2 ) 66,,,,,, 20 min 64 65 66 ( 3),,,,,,, 15 min, 67 110
4. (1 ), ( ) (2 ) 68,,,,, ( ), 20 min (3 ),,, :,, ; ( ),,,,, 69 67 68 69 1. (1 ) 2 cm (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) 2. (1 ) (2 ) (3 ) (4 ) (5 ) 111
) 1. (1 ),,, 4 cm, 610 (2 ),,,,,, (3 ), 610,,, 2. (1 ),, 4 cm (2 ),,,,, 90 (3 ),,,,, 3. ( 611 ) (1 ),, 4 cm (2 ),,,,,, (3 ),,, 112,
4. (1 ),, 4 cm (2 ),,,,, (3 ),,, 611 612 1. (1 ) 2 cm (2 ) 4 cm (3 ) (4 ) (5 ) (6 ) (7 ) 612 2. (1 ) (2 ) (3 ) (4 ) (5 ) 113
) ( 2, 28 ) 1. () 2., 3 3., 4., 5. 6. (, 2, 12 ) 1. 5 ( ) 2. ( ) 3. ( ) 4. ( ) 5.,, ( ) 6. ( ) ( 4, 1, 2, 12 ) 1. cm A. 0. 50. 8 B. 11. 25 C. 2 D. 2. 5 2. A. 2 B. 3 C. 4 D. 8 3. A. 1 B. 2 C. 3 D. 4 4. A. 2 B. 3 C. 4 D. 5 5. A. 1 B. 2 C. 3 D. 4 6. A. B. C. D. 114
) ( 8, 48 ) 1.? 2.? 3.? 4.? 5.? 6.? 115
) 1. 2. 3. 4. 5. 6. 1. 2. 3. 4. 5. 6. 1. B 2. C 3. C 4. B 5. B 6. A 1. :, 2. :,,,,, 3. :,,, 4. : : 5. : :,,, 6. : :, 116
) ( 2, 28 ) 1. 2., 3., 0. 751 cm, 4. 5. 6., (, 2, 12 ) 1. ( ) 2. ( ) 3. ( ) 4. ( ) 5. ( ) 6. ( ) ( 4, 1, 2, 12 ) 1. A. 2 B. 3 C. 4 D. 5 2., A. B. C. D. 3. A. 12 B. 45 C. 68 D. 912 4. A. 10 15 B. 20 30 C. 30 35 D. 35 40 5. A. 1 B. 2 C. 3 D. 4 6.,, A. 45 B. 60 C. 30 D. 90 ( 8, 48 ) 1.? 117
) 2.? 3.? 4.? 5.? 6.? 118
) 1. 2. 3. 5 cm 4. 5. 6. 1. 2. 3. 4. 5. 6. 1. B 2. A 3. B 4. A 5. C 6. A 1. : 2. :, 3. :,, 4. : : 5. : : 6. : : 119
) * 1. : 2. : 10 min 3. ( 1 ) 1 3 3 1. (12 ) 4 1 1 3 2 2. (12 ) 4, 1, 1, 1 1. : 90 2. : 10 min, 10 3. ( 2 ) *, 120
) 2 1. (12 ) 3 3 4 1 1, 4 2. ( 12 ), 4, 4 1. : () 2. : 20 min 3. ( 3 ) 3 1. (12 ) 2 cm 3 3 4 1 1 4 3, 7 2. (44 ) 7 6 5 7 5 121
) 1. : 2. : 15 min 3. ( 4 ) 4 1. (12 ) 2. ( 20 ) 3 3 4 1 1 5 4 4 4 3 122
) * 1. : 2. : 10 min 3. ( 5 ) 5 3 3 1. (12 ) 4 1 1 3 2 2. (12 ) 4, 1, 1, 1 1. :, 2. : 10 min 3. ( 6 ) *, 123
) 6 1. (12 ) 2. (12 ) 2 3 3 4 1 1 4 4 4 1. : 2. : 20 min 3. ( 7) 7 1. (12 ) 2. (42 ) 2 cm 4 cm 3 3 4 1 1 4 6 6 6 7 2 6 5 124 1. : 2. : 15 min 3. ( 8 )
) 8 1. (12 ) 2. ( 25 ) 3 3 4 1 1 5 6 5 6 3 125