Dushka_li
! 44 !!!! 3
, . , , , . , , : -, -, -, , - , - .
: , , , , , , .. .
1
2
(. 143) (. 13) . , ( , ) . .
( , ) (. 12 , , )
;
- ;
- ; - ;
- ;
- ;
- .
, ( ).
1. (. 144).
2. 18-20 ,
3. .
4. , ,
5. , ( ) () 1.
1 = + .
6. 1
T1 .
7. 2.
2 = 1 /2 - 1 = 2 = 2.
8. , ( ) .
9. H1 ( ) 1 (1).
10. 2 , :
, H T(1)T2t1(1)1H1H2H.
(
), .
, " "", , , (. 146). , . . , - . "" , . , , .
: .
1. (. 147).
2. ,
/3 - 1 = 38/3 - 1 = 11,6,
3. 11,6 T1.
4. TT1 , 2 3-
5. T1 :
1 = = 50 .
6. 1 2,
213H1HH2T2.
1. .
2. 1-1,5 .
3. .
4. , , .
5. , 16-18 ( ""), , .
6. "", , , .
7.
8. , ,
9. .
10. .
11. .
(, 149). (). , , . - 148.
, (, 150). " " , , "". , ; . ; , , .
" " : ,
1. (, 151).
2. 2 /3 - 1, : 2 38/2 - 1 = 76/3 - 1 = 24,3 .
3. 24,3 T1
4. , 24,3 2.
5. 1 , , 50 H1.
11 = 22 = 50 .
6. : 1 - 1
T11H2T2.
1. .
2. 1-1,5 .
3. .
4. , .
5. , 16-18 ( ""), ,
6. "" , , .
7 .
8. , .
9. .
10. .
11. .
1-1,5 . .
. 152.
, "", (, 153). . , . (, ).
, , . , , : , .
; = 38 , = 52 , = 70 , = 1 , = 2 .
1. ( ). 4 .
2. ,
( 6 + /4 ) 2. : (52 + 4/4) 2 = 56/4 2 = 28 .
3. . , :
4 2 = 8 .
5. :
28 8 = 224 .
6. 140 , 12 .
:
112 + 224 + 6 = 342 .
140 3 , 3, - 6.
7. , , ..
8. 1 , , : 4 + 1-5 .
9. 1 , ( . 154).
1. , , , ,
2. , ( ).
3. , .
4. ( - ( - ), ,
5. , - .
150 180 250 .
-
( - 4, 6, 8+ 12) . - , , , . , .
: = 38 , C = 52 , = 60 , = 1 , = 2 .
, . , , . .
1. /0,5 . 38/3 = 12,7 .
2. ( + )/0,5 .
(52 + 2)/3 = 18 .
3. .
4. 18 , .
5. 5; - .
6. . , .
7. , 1 = 2 = /2 = 12,7/2 = 6,4 .
8. ,
1 = 2 = /2 = 18/2 = 9 .
9. , HH1 = HH2 = 1 = 2 = 9 .
10. 1 , 1 H1 T2, 2 2. , 111222 1 .
, , T1 B1 T2 2 , .
11. 1 ( 0,3 1 ) T3
12. 3 T1 2 . 3 4 .
13. , 156.
1131242231.

. 156. -
1. , 1,5-2 . , , 16-18 .
2. "", , ,
3. ,
4. .
5 .
6. . .
. , (. 157), , (. 1576), .
60-70 - 12 , 90 10 140 - 5 .

. 157 . -

. 157 . - .
( ). .
. . . . . .
: = 38 , = 52 , = 60 , = 1 , = 2 .
"" , - , (4,,8,12). - , .
(. 159).
1. .
2. 18 .
3. , , .
4. .
5. /0,5 = 38/3 = 12,7 .
6. ( + )/0, 5 = (52 + 2)/3 = 18 .
7. , , 1 2. T1T2 = 12,7 .
8. , , 1 2.
12 = 18 .
9. 20 ( , , ) .
10. 1 2:
1 = 2 = 1 = 2.
, . 159.
11. 1 1H, 3.
12. 2 , 22 4.
13. 1 .
14 24 .
, "" ] 113124222 ( ).

. 159. .
1. , 16-18 .
2. .
3. .
4. , hh1 .
5. . .
, (. 160), , , . ( -).

. 160. .
, 2/3 , - Cm > 2/3 . "". , , .
, . , " " (, 161). , , .
, , - , , , , , - .
, , - .
1. (. 162).
2. , , , - , .
3. = , = .
4. 1 .
5. T1 , 1 H1.
2 = 1/2 = 1-1,5 ,
-, , , 10-15 , ( ).
(:, 162)
4 .
1, 2 3 , , , T1 1.2, 3.4 2-3 , , .
, ( 163).
1, "" ( ).
2. 0,5 4-5 .
3. . , .
4. , , . .
5. t ( ). 0,1 , , , 1 .
6. , .
; , . . 164 1/2 .
, ! "". .
"" , . , 0 . , , ( 180 ). , , .
. , . , , , .
. . "" (. 165),
, .
, . "11 ( ) :
- ;
- ;
- ..
, . 160 .
10- (n = 10).
mm1 = Cm /(n /2) - Cm /5
1 = ( + )/(n /2) = ( + )/5
. RR1 166. , ( RR1 ).
1. . , 0,5 .
2. "" :
) (. 167);
) ( ) (. 167 );
) .
3. . t .
4. 13-15 "". , "".
5. 0,5- 0,7 ( , ).
6. .
7. . 3-4 , 2 (. 168).
8. , .
9. .
10. , 0,1 ,
11. 5 .
12. 30 .
"" . . 169.
, , (. 170). , . ( 70 ).
, ( ), , , .
, : C = 38 , = 52 , = 70 ,
= 2 , = 4 ,
1,
( + )/ 2.
. 8 .
(52 + 4)/8 2 = 14 .
2. . , : 8 2 = 16 .
3. : 14 16 = 224 .
4. 140 12 .
5. :
224 + (14 8) + 6 = 224 + 112 + 6 = 342 .
6. 140 .
7. (. 171) 1 ( ). 1/4 , - , , .. 3/4 1 .
18-25 ,
1. , , . , , , *
2. , ! ( ).
3. , .
4. ( - ( ), - ).
5. ,
-
- . , . - , , , - . , , , , , .
. - , , , . - (. 177) , ( - - ). - , , .
- :
- , = 34 ; - , C = 48 ; - , = 28(26) ; - - , = 70 ; - , = 3 .
1. (. 178).
2. , = 18 , = 70 .
3. , ( ).
4. , ( + )/2 - 1 = (48 + 3)/2 - 1 = 24,5 3,
5. 3 T1, - H1.
6. :
= ( + ) - = (48 + 3) - 34 = 51 - 34 = 17 .
- 20% - i : 17/100x20 = 3,4 .
- - 50%; 17/10x50 = 8,5 .
- - 30%: 17/100x30 = 5,1 .
7. T1 , /2 = 8,5/2 = 4,25 2 .
T1T2 = /2 = 4,25 .
8. 1 5 , 2. 3 2 .
9. 3 2 2 1,5 . 2(1)
T2T2(1) = 1,5 .
10. 2 3.
3 = 32 = 2 /2.
11. T3 4 ,
12 4 2 4(1)
13. , /2 = 5,1/2 = 2,55 4 ,
34 - 2,55 .
14. 3 , 34 T9
15. 4 4(1) 4(1) 9 , - . , 9 2(1).
16 10 1 (1 = 10 ). 10 1 (1= 10 - ) 1 1
17. 1 , + 1-2 = (28 + 26)/2 + 2 = 27 + 2 = 28 2.
1 2 = 29 .
18. 2 , 2 , l /4C + 2 = 48/2 + 2 = 14 , 3.
23 = 14 .
19. 1 23 7-
1 7 = 23 = 14 .
20 7 3.
7 1,5-2 7, 7(1) ,
3 (. . 178).
, , - 2 (1)327(1)31 2(1)
1. 5 (, 179).
2. 52 54, 52 = 18 , 54 = 70 .
3. 2 4 ( ).
4, 2 ( + )/2 + 1 = (48 + 3)/2 + 1 = 26,5 1.
21 = 26,5 .
5, 1 T4, - 3,
6. T5 , /2 = 8,5/2 = 4,25 , 6 .
56 = 4,25 , T5T6 = 12.
7. 4 5 5
45 = 5 .
8- 2 5
9. 2 6 6 1,5
6 (1)
T6T6(1) = 1,5 .
10. 4 6 9 ( 7 ) 7.
47 = 7 .
11. 7 , 8 (78 = = 3,4 ). . T7T8 . , 8-12 ( 10 , . . 179,
12. 4 10 (4)1.
T4T4(1) 10 ( ).
13. H3 10 H3.
33 - 10 ( ).
14. 4 (1) 3(1) .
15. 4 (1) , + 1-2 = (28 + 26)/2 + 1 = 29 .
4(1) = 29 = (1) 2,
16. , , 1/4 - 1 = 48/4 -1 = 11 , 1 .
1 = 11 .
17. 3 , 1 = 11 , 6.
36 = 1 = 11 .
18. 1 6 .
19. 6 1,5-2 6(1).
20. 6 (1) 3 .
6 (1)256(1)14(1)6(1)
1. .
2. . .
3. . , "" (18-20 ). , ,
4. - . . .
5. .
6. ,
7. - ,
8. .