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МАТЕМАТИКА ВО УГОСТИТЕЛСТВОТО (СКРИПТА ЗА ИНТЕРНА УПОТРЕБА) Билјана Петревска Штип, 2012

Интерна Скрипта По Математика Во Угостителството

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  • ( )

    , 2012

  • ii

  • iii

    ............................................................................................... v

    I ....................................................................... 7 1. ......................................................................................... 8 2. .......................................................................................... 8

    2.1. ................................................................. 8 2.2. .................................................................. 8

    3. ................................................................. 8 4. ................................................................................. 9 5. .......................................................... 9 6. ................................................................................. 11 . 1 .............................................................................................. 13 . 2 .............................................................................................. 15

    II ..................................................... 17 1. ........................................................................ 18 2. .......................................................................... 18

    2.1. ........................................................... 18 2.2. ........................................................ 18

    3. ........................................................................ 21 4. ............................................ 21 . 3 .............................................................................................. 25 . 4 .............................................................................................. 27

    III .......................................................................... 29 1. ........................... 30

    1.1. ............................................................. 30 1.2. .............................................................. 31 1.3. .............................................................. 32 1.4. .................................................................................. 33 1.5. ....................................................................................... 34

    . 5 .............................................................................................. 35 . 6 .............................................................................................. 37

  • iv

    IV ............................................................................ 39 1. ........................................................................ 40 2. .......................................... 40 . 7 .............................................................................................. 43

    V ........................................... 45 1. .................................................................... 46 2. ..................................................................... 46 3. ................................................................................... 46 4. / ................................................... 46

    4.1. / / .......................... 47 4.2. / / ........................ 47 4.3. / / ........................ 48

    . 8 .............................................................................................. 51

    VI ................................ 53 1. ..................................................................................... 54 2. ........................................................................ 55 3. ......................................................................... 55

    3.1. ............................................................ 56 3.2. .......................................................... 56 3.3. .......................................................... 57

    . 9 .............................................................................................. 59

    VII ........................................................................................ 61 1. .............................................................................. 62 2. ............................................... 62 3. .............................................................................. 62

    3.1. ......................................... 62 3.2. ................................... 63 3.3. ....................... 63 3.3.1. () .......................... 63 3.3.2. ................................................ 65 3.3.3. .......................... 67 3.3.4. .... 67

    . 10 ............................................................................................ 71 . 11 ............................................................................................ 73 . 12 ............................................................................................ 75

  • v

    - - . . . , , . , . , .

    . , , . . . , . , . , . , , .

  • vi

    , , :

    o ;

    o , ;

    o , , . , , , .

    , 2012 .

  • 7

    I :

    1. 2.

    2.1. 2.2.

    3. 4. 5. 6.

    , :

    o ; o ; o ; o ; o ; o ; o .

  • 8

    1.

    . .

    2.

    2.1.

    .

    . , .

    a b = d

    2.2.

    .

    . .

    a : b = q

    =

    3.

    , .

    : (1) .

    a : b = q 8:4=2

    . . = 8.2 : 4.2 = 2 :

  • 9

    a : b = q 8:4=2

    :

    =

    8

    2:

    4

    2= 2

    (2) . a : b = q c : d = q 6:3=2 8:4=2 q, 2.

    (3) , .

    a : b 8:2=4 c : d 15:3=5

    e : f 12:4=3

    3:1=3

    : ace : bde (8.15.12.3):(2.3.4.1)=4.5.3.3

    4.

    () .

    , .

    a:b=q, c:d=q, :

    a : b = c : d

    : (a:b), (c:d), (a d) (b c).

    5.

    :

    (1)

    a : b = c : d 6:3=8:4 ad = bc 6.4=3.8

  • 10

    (2) , , .

    ad = bc 9.5 = 45 3.15=45 a:b=c:d 9:3=15:5

    (3) : , , .

    , :

    a:b=c:d c:d=a:b

    a:c=b:d c:a=d:b

    b:d=a:c d:b=c:a

    b:a=d:c d:c=b:a

    (4) , .

    6:3=4:2

    (6.6):3 = (4.6):2 (6:2):3 = (4:2):2 36:3 = 24:2 3:3 = 2:2

    (5) , .

    2:4 = 1:2 4:9 = 16:36

    (2

    4)

    2= (

    1

    2)

    2

    4

    9 =

    16

    36

    4

    16 =

    1

    4

    4

    9=

    16

    36

    4:16=1:4 2

    3 =

    4

    6

    2:3=4:6

    (6) .

    12:6 = 4:2

    3:2 = 6:4

    2:1 = 4:2

    : 12.3.2 : 6.2.1 = 4.6.4 : 2.4.2

    72:12 = 96:16

  • 11

    6. 6.1.

    .

    a : x = x : d 40 : x = x : 10

    6.2.

    , .

    6:3=2

    18:9=2

    8:4=2

    6:18:8 = 3:9:4

    , :

    A:B = 3:4

    B:C = 5:10

    C:D = 5:11

    I. . A:B = 3:4 : A:B = 3:4

    B:C = 5:10

    AB:BC = 15:40

    , A:C = 15:40

    : A:B = 3:4

    B:C = 5:10

    C:D = 5:11

    ABC:BCD = 75:440

    BC A:D = 75:440

    : A:B = 3:4

    A:C = 15:40

    A:D = 75:440

  • 12

    () .

    A:B = 75:100

    A:C = 75:200

    A:D = 75:440

    , .

    A:B:C:D = 75:100:200:440

    5 : A:B:C:D = 15:20:40:88

    II. , , . A=3, =4. 3 4 C D.

    B:C = 5:10 C:D = 5:11

    4:C = 5:10 8:D = 5:11

    = 4.10

    5= 8 =

    8.11

    5=

    88

    5

    :

    A:B:C:D = 3:4:8: 88

    5

    , 5 : A:B:C:D = 15:20:40:440

  • 13

    . 1

    1:

    1. . 2. . 3. .

    (1) .

    10:5=2

    10.2:5.2=20:10=2

    10/5:5/5=2:1=2

    (2) .

    16:2=8

    32:4=8

    (3) , .

    12:3=4

    6:2=3

    : (12.6):(3.2)=4.3 72:6=12

  • 14

  • 15

    . 2

    1:

    1. . 2. .

    (1)

    4:2=8:4

    4.4=2.8

    16=16

    (2) , , .

    12.3=36 6.6=36 12:6=6:3

    2=2

    (3) : , , .

    10:2=15:3 15:3=10:2

    10:15=2:3 15:10=3:2

    2:3=10:15 3:2=15:10

    2:10=3:15 3:15=2:10

    (4) , .

    24:12=10:5 (24.2):12=(10.2):5 (24:2):12=(10:2):5

    2=2 48:12=20:5 12:12=5:5

    4=4 1=1

    (5) , .

    10:2 = 5:1 9:4 = 36:16

  • 16

    (10

    2)

    2= (

    5

    1)

    2

    9

    4=

    36

    16

    100

    4 =

    25

    1

    3

    2 =

    6

    4

    100:4=25:1 3:2=6:4

    (6) .

    24:12 = 8:4

    9:6 = 18:12

    10:5 = 20:10

    : 24.9.10 : 12.6.5 = 8.18.20 : 4.12.10

    2160:360 = 2880:480

    6:1=6:1

    3. .

  • 17

    II :

    1. 2.

    2.1. 2.2.

    3. 4.

    , :

    o ; o ; o ; o ; o ; o .

  • 18

    1.

    , .

    .

    2. 2.1.

    (), .

    2.2.

    (), .

    * () .

    1: 27200 . . , 20 ., 32 . 40 .

    x, y z, :

    x:y:z = 20:32:40

    , 4 : x:y:z = 5:8:10

    :

    (x+y+z):(5+8+10) = x:5

    (x+y+z):(5+8+10) = y:8

    (x+y+z):(5+8+10) = z:10

    x+y+z = 27200, x, y, z : 27200: (5+8+10)

  • 19

    27200:23 = x:5 = 27200

    23 . 5 = 5913 .

    27200:23 = y:8 = 27200

    23 . 8 = 9461 .

    27200:23 = z:10 = 27200

    23 . 10 = 11826 .

    20 . 5913 ., 32 . 9461 ., 40 . 11826 .

    2: 27200 . . , 20 ., 32 . 40 .

    x:y:z = 1

    20

    1

    32

    1

    40

    , 160 x:y:z = 8:5:4

    : (x+y+z):(8+5+4) = x:8

    (x+y+z):(8+5+4) = y:5

    (x+y+z):(8+5+4) = z:4

    x+y+z = 27200, x, y, z : 27200: (8+5+4)

    27200:17 = x:8 = 27200

    17 . 8 = 12800 .

    27200:17 = y:5 = 27200

    17 . 5 = 8000 .

    27200:17 = z:4 = 27200

    17 . 4 = 6400 .

    20 . 12800 ., 32 . 8000 ., 40 . 6400 .

    3: 400000 . , 3 4 ; 5 3 D 1 4 . ? , , :

    A:B = 3:4

    B:C = 5:3

    D:C = 1:4

  • 20

    , :`

    A:B:C:D = 3:4: 12

    5

    3

    5

    , 5 : A:B:C:D = 15:20:12:3

    : (A+B+C+D):(15+20+12+3) = A:15

    (A+B+C+D):(15+20+12+3) = B:20

    (A+B+C+D):(15+20+12+3) = C:12

    (A+B+C+D):(15+20+12+3) = D:3

    A+B+C+D .. 400000 ., (15+20+12+3) = 50 :

    400000:50 = :15 = 400000

    50 . 15 = 120000 .

    400000:50 = :20 = 400000

    50 . 20 = 160000 .

    400000:50 = C:12 C= 400000

    50 . 12 = 96000 .

    400000:50 = D:3 = 400000

    50 . 3 = 24000 .

    120000 ., 160000 ., C 96000 . D 24000 .

    4: , C catering 216000 . , . : - 2880 , 150 - 3200 , 100 - 3840 , 60 . ?

    : A+B+C = 216000

    : A:B:C = 2880:3200:3840

  • 21

    A:B:C = 1

    150

    1

    100

    1

    60

    ,

    A:B:C = 2880

    150

    3200

    100

    3840

    60

    , : A:B:C = 3:5:10

    : (A+B+C):(3+5+10) = A:3

    (A+B+C):(3+5+10) = :5 (A+B+C):(3+5+10) = :10

    A+B+C .. 216000 ., (3+5+10) = 18 :

    216000:18 = :3 = 216000

    18 . 3 = 36000 .

    216000:18 = :5 = 216000

    18 . 5 = 60000 .

    216000:18 = :10 = 216000

    18 . 10 = 120000 .

    36000 ., 60000 ., C 120000 .

    3.

    , , , , . , .

    , , .

    .

    4.

    , :

  • 22

    (1) , . , ;

    (2) ;

    (3) , ;

    (4) .

    1: 60 . , 80 . 640 ?

    , , :

    . = 60 . 80 . = 640 .

    , () , :

    60 80 640

    : 80 = 60.640

    = 60.640

    80= 480

    60 . 480 .

    2: 1360,8 . 8 1 . , 1 = 39,65 .?

    : =1360,8; 8p=1lb; 1lb=453,6; 1000=1; 1=39,65 ; 1=100p.

  • 23

    , , , :

    = 1360,8 1 = 1000 453,6 = 1lb 1lb = 8p

    100p = 1 1 =39,65

    , , :

    1360,8 1 1000

    453,6 1lb 1lb 8p

    100p 1 1 39,65

    = 1360,8.1000.1.8.1.39,65

    1.453,6.1.100.1= 9516 .

    9516 .

    3: 100ya 9 . , . ?

    1 1 60 1 60 9 100ya 1ya 0,914 m

    1000 m 1 km

    = 1.60.60.100.0,914.1

    1.1.9.1.1000= 36,56 .

    36,56 .

  • 24

    4: 10 . , 1$=47 .

    1 1 1000 453,6 1 1 10

    100 1 $ 1$ 47

    = 1.1000.1.10.1.47

    1.453,6.1.100= 10 .

    1 . 10 .

  • 25

    . 3

    2:

    1) , 2373000 . , 1/6 , 2/5 3/8 . ? (: =420000 , =1008000 , =945000 )

    2) 5550 lunch-, : 10 , 12 8 . , lunch- ? (: =1800, =1500, =2250)

    3) 87000 . . , : A:B=4:3 C:B=6:2. ? (: =21750 , =16312,5 ., =48937,5 .)

    4) 63800 . . - 3600, 20 - 2800, 25 - 2000, 15 . ? (: = 27000, = 16800, = 20000)

  • 26

  • 27

    . 4

    3:

    1) 2,5 . 1 , 1 70 . (: 190 1 )

    2) 80 , 120 1700 .? (: 1 = 14 .; 80 = 1133 .)

    3) 12 30 . 1 = 61,5 .? (: 1 154 .)

    4) 345 . 615 . . , 1 . 650 ., 720 . , 1700 .? (: 287 .)

    5) 12 . 8 ? ? (: 192 8 ; 1 = 2,5 .)

  • 28

  • 29

    III :

    1. 1.1. 1.2. 1.3. 1.4. 1.5.

    , :

    o ; o

    ; o .

  • 30

    1.

    , : , , , . .

    , () () . .

    .

    1.1.

    : . ()

    . .

    (, , .) .

    =1+2+3++

    =

    =1

    n , i=1,2,3,,n

    :

    (1) ;

    (2) ;

    (3) .

    1: , : 240, 215, 260, 255, 230 300 . ?

    =

    =1

    =

    1+2+3+4+5+6

    =

    240+215+260+255+230+300

    6 = 250

  • 31

    , (, , ) . () (f) .

    = 11+22+33+

    1+ 2+3++ =

    =1

    =1

    , .

    2: , :

    400 . 60 . 1 . 300 . 50 . 1 . 500 . 40 . 1 . 800 . 70 . 1 .

    1 . .

    11+22+33+

    1+ 2+3++ =

    60.400+50.300+40.500+70.800

    400+300+500+800 = 57,5 .

    1.2.

    : . n-

    . , . . , , . .

  • 32

    :

    = 1. 2. 3..

    3: , : 500, 600, 720, 864 1037. ?

    = 1. 2. 3..

    = 500.600.720.864.10375

    = 720

    . :

    = 11 . 2

    2 . 33 .

    : n =

    =1

    1.3.

    (. .).

    .

    , .

    : (1) ,

    ; (2)

    .

    : .

    :

    =

    1

    1+

    1

    2+

    1

    3++

    1

    =

    1

    =1

  • 33

    4: . 20 ., 30 ., 40 . 60 . ?

    =

    1

    1+

    1

    2+

    1

    3++

    1

    =

    41

    20+

    1

    30+

    1

    40+

    1

    60

    = 30 .

    :

    = 1+2+3+ +

    11

    +22

    +33

    ++

    =

    =1

    n= =1

    5: 1- 60- . 30/, 61- 340- . 40/, 341- 441- . 50 /. , ?

    = 1+2+3+ +

    11

    +22

    +33

    ++

    1 = 1-60 = 60 2=61-340 = 180 3 = 341-441 = 100 1 = 30 2 = 40 3 = 50

    = 60+180+10060

    30+

    180

    40+

    100

    50 = 40 /

    1.4.

    () , . :

    = +1

    2

    , . , , .

  • 34

    1.5.

    () , .

    6: , 21 , , :

    03/01 - 52 10/01 - 51 17/01 - 46 24/01 - 55 04/01 - 36 11/01 - 54 18/01 - 51 25/01 - 57

    05/01 - 45 12/01 - 48 19/01 - 57 26/01 - 50

    06/01 - 54 13/01 - 50 20/01 - 63 27/01 - 56

    07/01 - 69 14/01 - 49 21/01 - 54 28/01 - 47

    31/01 - 48

    36 45 46 47 48 49 50 51 52 54 55 56 57 63 69

    48 50 51 54 57

    54

    21 . , 51 , 51 10 .

    54 ( ) 54 .

  • 35

    . 5 3:

    1) , , : 240, 215, 260, 255, 230, 226 300. ? (: 247 )

    2) , : - 100 . 45 . 1 . - 100 . 35 . 1 . - 100 . 60 . 1 . - 100 . 25 . 1 .

    1 . . (: 41 .)

    3) , : 12, 10, 9, 11, 10 14 . ? (: 11 )

  • 36

  • 37

    . 6

    3: ,

    1) . 20 ., 30 ., 40 . ? (: 28 .)

    2) 9-12 10 , 12-16 20 , 16-21 30 . , ? (: 15 )

    3) , : 3- 32; 10- 31; 17- 46; 24- 35 4- 36; 11- 44; 18- 31; 25- 44 6- 44 ; 13- 40; 20- 33; 27- 46 31- 38

    (: =38, =44)

  • 38

  • 39

    IV :

    1. 2.

    , :

    o ; o ; o .

  • 40

    1.

    , , .

    : (1) ,

    , . .

    (2) , , . . ,

    . , .

    2.

    , . : , . , .

    1: , 48 ./. 30 ./., 360 . , 40 ./. ?

    48x + 30y = 40(x+y)

    48x + 30y = 40x + 40y

    48x-40x = 40y-30y

    x(48-40) = y(40-30)

    x:y = (40-30):(48-40)

  • 41

    x:y = 10:8 : x+y=360 (x+y):(10+8) = x:10

    (x+y):(10+8) = y:8

    360:18=x:10 x=360.10/18 = 200 . 360:18=y:8 y=360.8/18=160 .

    360 . 40 ./., 200 . 48 ./. 160 . 30 ./.

    * : 48 (40-30) = 10

    40

    30 (48-40) = 8

    10, (40-30) 8, (48-40) . (360 .) (10+8=18), . . , . .

    360:18=20

    20.10 ( ) = 200 . 20.8 ( ) = 160 .

    2: 40 ./., 44 ./. 50 ./. 480 . 45 ./. ?

    40x+44y+50z = 45(x+y+z)

    40x+44y+50z = 45x+45y+45z

    5z=5x+y x=y 5z=6y

    z:y=6:5

    z:x=6:5

    x:y:z=5:5:6 : x+y+z=480 (x+y+z):(5+5+6)=x:5

    (x+y+z):(5+5+6)=y:5

    (x+y+z):(5+5+6)=z:6

    480:16=x:5 x=480.5/16 x=150 . 480:16=y:5 y=480.5/16 y=150 . 480:16=z:6 z=480.6/16 z=180 .

  • 42

    480 . 45 ./., 150 . 40 ./., 150 . 44 ./. 180 . 50 ./.

    * :

    40 (50-45)=5 5.30=150 . 44 (50-45)=5 5.30=150 .

    45

    50 (45-44)+(45-40)=6 6.30=180 .

    480:(5+5+6)

    480:16=30

  • 43

    . 7 4:

    1) 800, 850, 930 950 , 115 . 900 ? (: 15, 25, 50, 25)

    2) 70%, 62%, 52% 40% 240 53%? ? (: : 1:13:17:9, 6, 78, 102, 54)

    3) 120, 95, 92 106 . 624 . 100 ./. . ? (: : 5:8:20:6, . : 80, 128, 320, 96)

  • 44

  • 45

    V :

    1. 2. 3. 4. /

    4.1. / / 4.2. / / 4.3. / /

    , :

    o , ; o

    ; o

    .

  • 46

    1.

    , / , .

    100 .

    2.

    1000 .

    3.

    100 . %. .

    1000 . . .

    . .

    , . .

    (/), .

    4. /

    , :

    (1) () (2) (+) (3) (-)

  • 47

    , , , / .

    4.1. / /

    / , / /.

    : 100

    , :

    :=100: , :

    :=1000:

    4.2. / /

    / , / /. / / .

    : :=100:

    (+):(100+)=:100 (+):(100+)=:

    : :=1000:

    (+):(1000+)=:1000 (+):(1000+)=:

  • 48

    4.3. / /

    / , / /.

    : :=100:

    (-):(100-)=:100 (-):(100-)=:

    : :=1000:

    (-):(1000-)=:1000 (-):(1000-)=:

    1: 2000 . 5%. ?

    : *

    =2000, =5, =? :=100:

    =.

    100=

    2000.5

    100=

    10000

    100= 100 .

    *

    . 2000 . 100 . 5 .

    = 2000.5

    100=

    10000

    100= 100 .

    2: 20% 2000 . , ?

    * :

    =?, =20, =2000 :=100:

  • 49

    =.100

    =

    2000.100

    20=

    200000

    20= 10000

    = +

    = 10000+2000 = 12000

    * :

    =?, =20, =2000

    (+):(100+) = :100, = .100

    (+2000):(100+20)= 2000.100

    20 : 100

    (+2000):120 = 10000:100 100(+2000) = 10000.120 100+200000 = 1200000

    100 = 1000000 =10000

    + =

    10000+2000=12000

    *

    2000 20% 100

    = 2000.100

    20=

    200000

    20= 10000

    10000 +2000 = 12000

    3: , 400, 600, 800, 900 1200 15%. .

    * ,

    1-

    100

  • 50

    1- 15

    100= 1 0,15 = 0,85

    , : 400 . 0,85 = 340 600 . 0,85 = 510 800 . 0,85 = 680 900 . 0,85 = 765 1200.0,85 = 1020

    4: , 25%. , 400, 600, 800, 900 1200 . .

    * ,

    1+

    100

    1+ 25

    100= 1 + 0,25 = 1,25

    , : 400 . 1,25 = 500 600 . 1,25 = 750 800 . 1,25 = 1000 900 . 1,25 = 1125 1200.1,25 = 1500

  • 51

    . 8

    5:

    1) , , 2400 . , 25%. ? (: 600 . 1800 .)

    2) . , 8%, 4%. , : - 80 ., 110 ., 70 ., 100 . 60 . (: - 77 ., 119 ., 67 ., 108 . 58 .)

    3) 20%, 200 . , ? (: 1000 , 800 )

    4) 15% 92 . . ? (: 80 ., 12 . )

    5) 8%, , 5% 483 . ? (: 8% 500 ; 5% 460 )

  • 52

  • 53

    VI :

    1. 2. 3.

    3.1. 3.2. 3.3.

    , :

    o ; o ; o ; o

    .

  • 54

    1.

    index , . (, , , .).

    , : (1) -

    100 ( ) .

    (2) - . 100

    ( ) ( ).

    100 ( ) ( ).

    1: : 2007 . 250 .; 2008 . 280 .; 2009 . 310 .; 2010 . 360 . 2011 . 330 . .

    ) (2007 )

    280 310 360 330 250 100 250 100 250 100 250 100

    =280.100

    250= 112 =

    310.100

    250= 124 =

    360.100

    250= 144 =

    330.100

    250= 132

    112 280 . 2008 . 12% 250 . 2007 . .

    ) 280 310 360 330 250 100 280 100 310 100 360 100

    =280.100

    250= 112 =

    310.100

    280= 111 =

    360.100

    310= 116 =

    330.100

    360= 92

    92 330 . 2011 . 8% (100-92) 360 . 2010 . .

  • 55

    2.

    , . . 100 , . ( ), . , , . (g), (m) (d). , 30 , , 365 360 . Va. (30;360); (30;365); (;360); (;365), , . .

    3.

    , , :

    (1) ; (2) (3) .

    :

    S - S+i - S-i - p - t - (g), (m)

    (d)

  • 56

    3.1.

    , .

    : S:i = 100:p.g ( )

    S:i = 1200:p.m ( ) S:i = 36000:p.d ( 360 ) S:i = 36500:p.d ( 365 )

    2: 50000. 3 ., 8%. ?

    S=50000, p=8, g=3, i=?

    , S:i = 100:p.g, i=..

    100 =

    50000.8.3

    100 = 12000 .

    3: 60000 . 6 20 , 6%, ?

    S=60000, p=6, d=200 (6.30+20), i=?

    , S:i = 36000:p.d, i=..

    36000 =

    60000.6.200

    36000 = 2000 .

    3.2.

    , .

    :

    (S+i):(100+p.g)=S:100 ( ) (S+i):(100+p.g)=i:p.g

    (S+i):(1200+p.m)=S:1200 ( ) (S+i):(1200+p.m)=i:p.m

    (S+i):(36000+p.d)=S:36000 ( 360 )

    (S+i):(36000+p.d)=i:p.d

  • 57

    (S+i):(36500+p.d)=S:36500 ( 365 )

    (S+i):(36500+p.d)=i:p.d

    4: 6% , 240 , 62400 . , ?

    S+i=62400, p=6, d=240, S=? i=?

    , (S+i):(36000+p.d)=S:36000

    S=(+).36000

    36000+.=

    62400.36000

    36000+6.240 = 60000 .

    S+i=62400, i=62400-S, i=62400-60000=2400 .

    3.3.

    , .

    :

    (S-i):(100-p.g)=S:100 ( ) (S-i):(100-p.g)=i:p.g

    (S-i):(1200-p.m)=S:1200 ( ) (S-i):(1200-p.m)=i:p.m

    (S-i):(36000-p.d)=S:36000 ( 360 )

    (S-i):(36000-p.d)=i:p.d

    (S-i):(36500-p.d)=S:36500 ( 365 )

    (S-i):(36500-p.d)=i:p.d

  • 58

    5: 6% , 8 , 60000 . ja ?

    S-i=60000, p=6, m=8, i=?

    , (S-i):(1200-p.m)=i:p.m

    i=()..

    1200.=

    60000.6.8

    12006.8 = 2500 .

    2500 .

  • 59

    . 9 6:

    1) e , : 2007 . 20000 .; 2008 . 22000 .; 2009 . 31000 .; 2010 . 33600 . 2011 . 33000 . ( 2007) . (: : 110, 155, 167, 165; : 110, 141, 108, 98)

    2) 40000 . 8 , 6%, ? (: 1600 .)

    3) 30000 . 4% 3000 . . ? (: 2 . 6 )

    4) 360 , 20% , 90000 . , ? (: S=75000 ., i=15000 .)

    5) 7 , 120000 . 10% . ? (: 7434 .)

  • 60

  • 61

    VII :

    1. 2. 3.

    3.1. 3.2.

    3.3. 3.3.1. () 3.3.2. 3.3.3.

    3.3.4.

    , :

    o ;

    o ; o .

  • 62

    1.

    calculus, . , , , .

    , . , , , .

    2.

    , :

    (1) ; (2) ; (3) ; (4) , (5) ; (6) (7) .

    3.

    , :

    (1) ; (2) (3)

    3.1.

    , . : , , , .

  • 63

    3.2.

    , : (1) () -

    (2) () -

    , .

    3.3.

    , : (1) () -

    ; (2) - ; (3) (4) .

    3.3.1. ()

    , . :

    (1) - , /. , /.

    (2) - /. , , . . , , .

    1) 5000 , 200000 . .

  • 64

    1 2 3 4

    5000 2000000 400

    ( 4) ( 3) ( 2).

    2) 1200 :

    - 350 ; - 400 - 450 .

    , ( ) 5280000 . : 1,6:1:0,8. .

    -

    . .

    . 1 .

    .

    1 2 3 4 5 6 7

    350 1,6 560 4000 2240000 6400

    400 1 400 4000 1600000 4000

    + 450 0,8 360 4000 1440000 3200

    ( 1) : 1,6:1:0,8 ( 3). ( 2) ( 4). (5280000 .) ( 4: 560+400+360=1320). 4000 . ( 5). , ( 4) ( 5), ( 6). ( 6) ( ) ( 2), ( 7).

  • 65

    , : 6400 ., 4000 . 3200 .

    3.3.2.

    , / / . . . /.

    3) : , . , :

    - 1500 ; - 1200 - 1800 .

    , , :

    80000 150000 40000

    60000 120000 25000

    100000 180000 60000

    : 240000 450000 125000

    , 120000 . :

    - 72000 . - 48000 . - . ,

    .

    , ,

    : .100

    .

    : -

    72000 .100

    240000 = 30%

  • 66

    - -

    48000 .100

    240000 = 20%.

    , ( ) :

    = 80000 .30

    100 = 24000 .

    = 60000 .30

    100 = 18000 .

    = 100000 .30

    100 = 30000 .

    , - :

    = 80000 .20

    100 = 16000 .

    = 60000 .20

    100 = 12000 .

    = 100000 .20

    100 = 20000 .

    - , .

    1. 2. 3. 4. 5. -

    240000

    450000

    125000

    72000

    48000

    80000

    150000

    40000

    24000

    16000

    60000

    120000

    25000

    18000

    12000

    100000

    180000

    60000

    30000

    20000

    : 935000 310000 235000 390000

    1500 1200 1800

    207 196 217

    . , : - 207 ., - 196 . - 217 .

  • 67

    3.3.3.

    . , . , . . , /, /.

    4) T 40000 ., 35 . , , , 5000 . .

    1 2 3 4 5

    35 40000 35000 1000

    ( 1). , , 40000 . ( 3). 5000 . - , 35000 . ( 4). , - 35 , 1000 . ( 5).

    3.3.4.

    .

  • 68

    ( : + ), () . , .

    , . , , .

    , , :

    1. 2.

    a. b. c.

    3. ( , , .)

    4. ( ) a. b.

    5. (/)

    5) 5000 , 1200 . . , .

    : 1. 1250000 2. 2000000 3. 500000 4. 250000 5. 400000 6. 700000

    : 5100000

    , , (),

  • 69

    . , : 1, 2, 4 5, : 3 6.

    () 1. 1250000 2. 2000000 3. 250000 4. 400000 : 3900000

    1. 500000 2. 700000 : 1200000

    , . , ..:

    = 5000 . 1200 = 6000000 .

    , :

    (1) 6000000 (2) - 3900000 (3) (1-2) 2100000 (4) - 1200000 (5) (3-4) 900000 .

    900000 .

  • 70

  • 71

    . 10 7:

    1) 8000 , 10000000 . . (: 1250 .)

    2) , . , , 400 , 1000000 . . (: 2500 .)

    3) 300 : - 50 ; - 160 - 90 .

    , ( ) 1000000 . : 1,6:1,2:1. . (: =4416 ., =3312 . =2760 .)

    4) 200 , :

    - 150 ; - 15 - 35 .

    , ( ) 120000 . : 1,5:1:0,7. . (: =675, =450 =320)

  • 72

  • 73

    . 11 7: ,

    1) , : , . , : 15000 , 2000 1000 . , 150000 . , :

    25000 30000 5000

    15000 20000 5000

    20000 25000 5000

    50000 . : 30000 . , 20000 . - . . (: : 5 ., 26 ., 67 .)

    2) , : , . , : 100 , 70 120 . , 75000 . , :

    12000 13000 2000

    10000 11000 2000

    13000 10000 2000

    25000 . : 15000 . , 10000 . - . . (: =355 ., =430 . =280 .)

  • 74

    3) 7000 ., 5 . , , , 1500 . . (: =1100 .)

    4) 9200 ., 5 . , , , 1800 . . (: =1480 .)

    5) 25000 , 1500 . . , direct costing .

    1. 3250000 2. 7000000 3. 900000 4. 450000 5. 800000 6. 1500000

    (: =23600000 .)

  • 75

    . 12