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10.05.2013 .
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2.0/5 (12 )


6 / ,. , .. /.: ; -
1
la) I; 2; 4; 5; 10; 20; ) 2; 13.
2 ) 9; 18; 27; 36; 45; ) 11; 22; 33; 44; 55; ) m; 2; ; 4; 5. 3 ) 2262 : 2262 = 2 * 3 - 13 29, 29, , 2262 29;
)    6048 :
6048 = 2- 2- 2- 2- 2- 3- 3- 3-7, 2 2 2 3 * 3, 72, , 6048 72;
)    2134 :
2134 = 2 ■ 11 - 91, 2 2 2 7, 56, , 2134 56;
)    1792 :
1792 = 2- 2- 2- 2'2-2-2-2-7, 47,
, 47 1792.
4 ) 20 = 2 10, 30 = 2 ■ 15, , 2 ;
) 24 = 6 4, , 24 .
5 ) 6538; 6780; 10032; 10060; ) 6780; 7835; 10060; 24575; ) 6780; 10060.
6 ) 100; 102; ) 225; 240.    7 20; 22; 24; 26; 28.
8 ) 2475; 5532; 6786; ) 2475; 6786.
9 ) 300; 462; ) 900; 819; ) 150; 340; ) 180; 540.
10 4, 3
378564 .
11 ) 95868; ) 39156; 95868; ) 39156; 95868; ) 39156; 62173. 12 1; 2; 4; 7; 14; 28; 168; 140; 252.    13 40; 45; 50; 55; 60; 65.
14 : 5 = 12; = 12 5; = 60; 60 10- 6, , 10. 15 1; 2; 3; 4; 6; 8; 12; 24.    16 24; 26. 17 11; 13.
18 2240 = 2- 2- 2-2-2-2-7-5; 1782 = 2 ■ 3 3 ■ 3 ■ 3 11. 19 ) 3 5 = 15; 6) 5.    20 1;2; 5; 7; 10; 14; 35; 70.
21 1; 2; 3; 6.    222-3-7 = 42.
23 ) : 78 = 2 - 3 13; 195 = 3 5 13; = 3 ■ 13 = 39;
)    : 35 = 5 7; 18 = 2 ■ 3 3; = 1;
)    :
36 = 2 2 3 3; 54 = 2 3 ■ 3 3; 72 = 2 ■ 2 2 3 3 = 3 - 3 - 2= 18.
24 :
64 = 2 ■ 2 2 2 ■ 2 2; 81 = 3 3 * 3 ■ 3; - 1.
25 :
840 -2-2-2-3-5-7; 1260 = 2- 2- 3- 3- 5-7; = 420.
26 13; 17.
27 : 136 = 2-2-2- 17; 119 = 7- 17; =17. 28 :
120 = 2 2 2 3 ■ 5; 280 = 2 2 ■ 2 ■ 5 ■ 7; 320 = 2 2 2 2 ■ 2 ■ 2 - 5 jc > 30; = 2 ■ 2 ■ 2 * 5, *
, 30, , = 40.
29 2 3 3 5 * 5 7 = 3150 = w.
30 ) 21; ) 2*2*2- 3= 24; ) 3 3 ■ 2 7 = 126;
) 180 = 2 ■ 2 ■ 3 ■ 3 5 120 = 2 2 ■ 2 3 5; - 360.
31 ) 840 = 2 ■ 2 2 3 5 7; 280 = 2 2 2 5 * 7;
360 = 2 * 2 2 ■ 3 ■ 3 5 = 2- 2*2*3*3*5-7 = 2520;
) 108 = 2 2 ■ 3 3 ■ 3; 216 = 2 * 2 ■ 2 3 3 3; 35 = 5 ■ 7, = 7560.
32 ) 48 = 2 2 ■ 2 2 ■ 3; 72 = 2 ■ 2 ■ 2 3 3; = 144;
) 350 = 2 5 5 7; 420 = 2 2 3 ■ 5 ■ 7; = 2100.
33 8jc + \2 = z; 80 < z < 100; 2-2-2 + 2- 2- 3- =
z    Z    Z
= z; 20 < < 25 ; 2 + = , , 21; 22; 4    4    4
23; 24, , z 84; 88; 92; 96.
: 84; 88; 92; 96.
34 - 2 ■ 2 7; b = 3 7; = 7; = 2*2-3-7; - = 2*2*3-7-7; = 2 2 ■ 3 * 7 ■ 7; . v 3 8 I 1.3 14
35     = _; =    .
4 ) 2 2 4 20
36
-    =    1    1    1        1    1    ^
1    6    11 12 15_ 16_    22_ 1
24    24    24 24 24 24    24
______1. A-1.11-L- -1.
24 ~ 12 ~ 4' 6 " 24 ~ 12 " 2' 24 ~ 8' 24 ~ 3 '
37 ) - = ; --36= - 36; 5-6= = 30; 6 36 6 36
* 25 X 25    25
)    = 11 =    ; = =5
11 55 11 55    5
^ 18 3 18 _ 3 6 1 6    1
)    = ; :3 = :3; = ; 5 JC = 5 :; 6 5 = = 30; JC 5 : 5 5     5
56 8 56 Q 8 7 1 7    1
) :8 = :8; = ;    jc-21 = JC-21;
21 jc 21 x 21 x 21    x
7: = 21; 7jc : 7 = 21 :7;x = 3.
^ 10 2 12 2 24 1 38 = -; = -; = -. 15 3 18 3 48 2
Y 4-5 2-2-5 2 2
39 a)     =    =    = ;
15-6 3-5-2-3 3-3 9
1214 _ 3-2-2-2-7 _ 2-2-2 _ 8 49-15 ~ 7-7-3-5 ~ 7-5 ~ 35' 3-15-3-7 _ 3-3-5-3-7 _3(3-5-7)_ 3-5-7 _ 15-7 _ 8 27 ~ 3-3-3 " 3-3-3 ~ 3-3 ~ 9 ~ 9 '
40
120 2-2-2-3-5 , r    120 120:60 2
    =    ; = 2 2 3 5 = 60,     =    = -
300 2-2-3-5-5    300 300:60 5
, 6 3-2 3 25 5-5 5
41 ) =    = -; ) =    = .
10 2-5 5 10 5-2 2
42 0,8=-; 0,44 = ; 0,025=; 0,004 = ; 0,0125= .
5    25    40    250    80
_ 2 2*3 6 32 2-2-2-2-2 4
43- =    = -;     =    =
3 3-3 9 40 2-2-2-5 5
5 5 7 7
44 ) =    ; =    , ,
16 2-2-2-2 12 2-2-3
2 2 - 2 2 ■ 3 = 48
5 _ 5-3 _ 15. 7    7-2-2 _ 28
2-2-2-2 ~ 2 2 2 2 3 ~ 48' 2*2."2-2-2-2-3"48'
2 2-2 4 3 3-3 9
)    (21; 14) 2 3 ■ 7 = 42; =    = ; =    =;
21 42 42 14 42 24
)    (15; 18) = 3 5-2 -3-90 (90; 30) = 90
7 _ 7-2-3 _ 42 5 _ 5-5 _ 25 11 11-3 33
15 90 ~ 90' 18" 90 ~~ 90' 30 " 90 ~ 90 ' 45 (480; 180) = 2- 2- 2- 2- 2- 3- 3- 5 = 1440; 480 = 2- 2- 2- 2- 2- 3-5; 180 = 2 2 - 3 3 5; (1440; 450) = 2- 2- 2- 2- 2- 3- 3- 5- 5 = 7200; 1440 = 2'2'2-2*2-3-3'5; 450 = 2 ■ 3 ■ 3 5 5; 7 _ 7-5-3 _ 105 23 _ 920 31 _ 496 480 ~ 7200 ~ 7200' 180 " 7200' 450 ~ 7200 "
46 ) 100 = 25-4 = 20.5; H = = 11 = 2=;
25 100 100 20 100 100
 
^    ^ 127 127-2 254 11 11-8 88
) 1000 = 500 2= 125 * 8;
500 1000 1000 125 1000 1000
25 1 3-8 3-8 1
47 = -;     =    = .
75 3 16-15 82-5■3 10
,    . * 3 3-5 15    20 20:4 5
48 20 = 4-5; - =    = ; 72=18-4; =         .
4 20 20    72 72:4 18
49 ) =    =    =    = = ;
5-3 15 3-5 15    7 7-2 14 14
)    36 = 3- 12; 24 = 2- 12;
)    375 = 75-5; 300 = 75-4;
7 7-2 14 7 7-3 21
36 36-2 72 24 24-3 72 111.4 _ 444 103-5 _ 515
375-4 ~ 1500* 300-5 ~ 1500 '
1    113 12
50 ) 26 = 13 -2; 42= 14- 3; -; - = -; - = -;
2    3 2 6 3 6 ) 21 = 3 7; 98 = 7 ■ 14; 20 = 4 ■ 5; 84 = 4 21;
21 3 20 5
= ; = ; 14 = 7 2; 21 =7 ■ 3, 98 14 84 21
3-3 9 5-2 10 ,    = ;     = .
14-3 42 21-2 42 3 9 3 * 9 * 1 4
51 =    ; :3=    : 3; =
4 + 8 4 + 8 4 + 8
4 + 8)= -4 ( + 8); + 8 = 4 * 3; + 8 - 12; = 12 - 8; = 4. 4 V ■ +8 V '
52 ) 20=10-2;-^-^- = ; >; >;
20 20 20 20 20
2-    8    _ 16 5■ 3 _ 15 \6_ \5_ 2 5
3-    8    ~ 24' 8 3 ~ 24' 24>24' 3>8'
. . . , . . 7-2 14 3-5 15 14 15 7 3
)    10 = 2 5; 4 = 2 2;    = ;     = ; <; < ;
20 20 4-5 20 20 20 10 4
* * ** 7-2 I4 5'3 1  14 15 7 5
)    9 = 3 3;6 = 2 3;    = ;     = ; <; -<-;
9-2 18 6-3 18 18 18 9 6
 
5 7 ^
< . : .
, , 3 3'7 21 2'10 20 21 20 3 2
55) 0,3 = ;     = ;     = ; >; >-
10 10-7 70 7-10 70 70 70 10 7
) 0,85 = ^ = 11; 20 = 5-4; =    0,85 > 2
100 20    4-5 20 20 20    4
7 11
56    >    ; 315= 105 3; 525= 105 5;
315 525
7-5 35 1 1-3 33     7 11
; 35 > 33, ,    >    .
1575 1575 1575 1575    315 525
3 7 5 23 11 5
57 -;;-; ; ; . 10 15 6 24 12 18
_ _ 17*4 68 3-25 75 68 75
58    =    ;     =     =    ; : .
25-4 100 4-25 100 100 100
15 20 165 160
59 ;          ; 165 > 160; : .
8 11 88 88
* 60 21 <.
247 235
_ 3 2 9 8 17t5 - 3 2 9 4 13 61 ) + = + = = 1 ; ) + = + = ; 4 3 12 12 12 12 10 15 30 30 30
) - + ---18 + -1 ) 7 I   - 56 1. 9 - 65 - 13 9 + 6 ~ + 18 ~ 18'    15 + 40 ~ 120 + 120 ~ 120 ~ 24 '
2 7 3 ~ 21 21" 21' 12 6 ~ 12 12 12'
-1-2-1
12 8 ~ 24 24 ~ 24' 14 35 ~ 70 70 ~ 70 ~ 10 '
V 3 4 15 4 11 63 CD =    =    = .
5 25 25 25 25

 
3(3 1
64    
4 14 5
4 j2_Kr " 2 5 " 10 10 ~ 10 ~ 10 '

 
,     2 2 14 18 17
65 +    =    =    = .
5 5 10 5 10 10 10 10
66 ) 1,95 + 2 = 1,95 + 0,6 = 2,55; ) ~~ - 0,45 = 0,84 - 0,45 = 0,39;

9 18 18 6 _ 3 1 9 4 13
68 ) - 4- - = + = ; ) 8 6 24 24 24
12 + 10 ~ 60 + 60 ~ 60'    20 30 60 60 69
3 3    3 6 3 12 3 15 3
    1    1    =    1    =    1    = = ,
10 10    20 10 20 20 20 20 4
70
1-JL-JL_ -1
5 10 "10 10 ~ 10 ~ 2 J_ _ 27    25 __5_
~ 60 ~ 12
*7    1A Q *7
20
71 =
15
5_2 6 9
73 ) -
) + 2,23 = 0,35 + 2,23 = 2,58; ) -0,3 = - = - =
15 10 30 30 30
2    ;           
z2 =-    1
2'    = 35; z3 ==    3
14 '
21    ' +    4>    _ 21    10
24    ^24 +    24;    ~ 24    24
v ^ 3 9 6 + 9
72 + =   
2 2
3
18 18 ~ 18 15
11 _ 4 + 6
_ 24
 

 
1 2 ) |+ - 1 15 9
~9; 6 6"
_- 1-1■--- 1
_9_ 27
11
27
)
15 ~ 15 9~3 + 9~9 9
27 6

 
1    17 20 17    3
75 ) - + 0,15    = - + 0,15 = + 0,15 = 0,05 + 0,15 = 0,2;
3    60 60 60    60
) 0,5 - + = 0,5 - 0,16 + 0,15 = 0,65 -0,16 = 0,49 25 20

 
2_ J_V 25 _ 4 _ 25 _ 20 _ _5_ 5 25 J ~ 25 5 " 25 25 " 25
40 40 40 ~ 40 40 " 40'
26 __6    5__ 26
        2
~ 25 5 " 21 _3 20 8 5
24
76 77 ) -
.
114I+I
15 V 5 6
)
30 30 30 ~ 30 30 " 30 ~ 2
78 * 7 35 + 5 35 35 + 35 35 + 35 35 5 '
v in 1 3 1 12 1 13 79 = + = + = + = .
40 10 40 40 40 40
2 6 6 6
5 8 5 3 , 1 6 1 5
81 ) 1 =    = -; ) 1 =    = -;
888 8 6666
) 6--- ) 5-- = -- = =4-- 5~ 5 5 ~ 5 ~ 5' 3 " 3 3 3 3'
.7 64 39 25 . 1    1 90 10 80
) 8-4 =    = = 3-; ) 10-1 =    = =
88888    9999
, ^    3 3 24 12 9 12 9 3 1
82 1    =    =          =
6 8 24 24 24 24 24 24 8
_ 5 3 89 35 178 105 283 19
83 ) 7 + 4- = + =    +    =    =11;
12 8 12 8 24 24 24 24
,,11 19 71 79 213 158 371 , 11
) 3 + 2 = + =    +    =    = 6;
20 30 20 30 60 60 60 60
5    23 59 11 _ 118 33 _ 85 1 ,
6    4 " 6 4 " 12 12 ~ 12 ~ 12'
10 15 " 10 15 " 30 30 "30" 30" '
84) 8-* = 3; : = 8-3= - = = 4;
9    9 9 9 9 9
^ 1 / ^ 5 7 I 5 73 29 44 2
6)6    ~ 2; = 6    2 =    = = 3-.
12    12 12 12 12 12 12 3
4 9 4 5    5 5
85) 1    =    = -; )1 + 1-=2-;
9 9 9 9    6 6
8 88 8 8    44 44'
, , ,5 .3 29 19 116 57 173 _ 5
86 ) 4+ 2 =     =    + =    = 7;
6 8 6 8 24 24 24 24
6} 7 5 1 7 - 131 19 - 262 57 - 205 - 5 25 18 12 " 18 12 ~ 36 36 " 36 ~ 36' 3 4 | 2 2 _ 31 | 16 _ 217 ] 144 _ 361 ^46
9 + 7 ~ 9 + 7 ~ 63 + 63 " 63 ~ 63'
5 3 1 1 - 73 22 _ 219 44 - 175 - 14 21 "14 21 " 42 42 " 42 ~ '
87 ) 3 + = -; = ~ 9 9
3. 5_27 =_22 ' 9 9 9 9'

 
J . 1 13 36 17 19 5
) = 2 = 5; ; = 5    2- =    = = 2-.
77 77777 7 88 >> = 9.
2    4 6 8 ~ 4 6 8 " 24 24 24~ 24 24 ~ 24 ~ 24
) 9-4+ 3= - 67 _ 572 245 201 _ 15 12 + 20 "15 12 + 20 ~ 60 60 * 60 ~
327 201 _ 528 60 60 " 60
)    75 |32 8 3 = 61 I 11    131 -366 | 176 393 - 542    393 - 149 - 5
8+ 3 16 ~ 8 * 3    16 ~ 48 + 48 48 ~ 48    48 ~ 48 ~ 48
)
g^_4_7__2j_= 248    _ _496__235 _0 _ 261    110 _ 151 _ 1 ,
25 10 5 ~ 25 10    5 " 50 50 50 50    50 " 50 ~ 50'

 
'38 33 +
v10
19 11 +
6 4
240 12
= 20
12 12
) 20-| 3~ + 2~ 6 4

 
240 71 _ 169 1, ~ 12 12 " 12 " 2'
f 7 N 3-1
v ,
) 1- + 6
6 10 30 30 30 30 30_30" 15
 

 
90 ) 7-4- 0,78 -4- = 7,22 + 0,78- 4,875 = 8 -4,875 = 3,125; 50    8
5 ,3 , -5 1 5 5 . .5
) hi = 1,25 = I    1 = 1-3 = 3.
6 4    6 4 4 6    6
2 23
91 3 35 - 24 = > 1
1 4
35 23 = 11 , 2
~2 4 _ 2 4 27 20 7
24    11= 13    = 12    = 12 .
20 5 5
25 5 25 5 25 25 25
^ t2 (9 2 17 ^ (2 92 1- + I- + + 1- 5 I 5 20 J I 5
, 3 ,5 288 27 11 288 81 44
93 ) 12 + 31- =    +    =    +    =
8 6 24 8 6 24 24 24 369 44 _ 325 13.
24 24 ~ 24 ~ 24'

J (c 1 113 57 120 226 171 120 277 7
)    7 + 5    4 =    4-    =    +    =    = 9.
15 V 10 J 15 10 30 30 30 30 30 30
, -w 5 ,5    41 11 11 41 22 33 30 _
94 3 +1    2,75 = +    = +    = = 2,5.
12 6    12 6 4 12 12 12 12
95 3762 9 418; 103 - 1 = 999 9 111; .
* 3 2 6 7 39 7-3-13 3
96 )    = ; )    =    = -;
7 5 35 13 56 13-7-8 8 31 21 _ 28 15 __ 4-7-5-3
9 7 9*7 3-3-7 1 3'
21 2-- 14 _ 3-5-2-7 _    J_ ) _3_-2-1.
7 " 5 ~ 7 * 5 ~ 7-5 ~    910~910~9~3' ^ 7 4-55 _ 4-5-11 2
11* 12 ~ 11-12 ~ 11-3-4 ~ 3' 97
4 18 5 4-2-9-5-w     ,3 \ 12-7-16-
)    fti =         ; ) 1 -1 5 =    = 16.
9 25 8 9-5-5-8 5 7 4 3 7-4-3 3
98 20 = 15 .
99 .= . . 5 5 25
7    1 15-32-7    4 5    4-5-72


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