matematika 8 - udžbenik (krug)

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  • 1. .......................................................................... 11.1. .......................................................................................... 21.2. .................................................................................... 71.3. ............................................ 10

    2. , .......................................................................... 152.1. , .

    ................................................................................ 152.2. ; ......................................................... 202.3. , ,

    ................................................................................................................ 222.4. ..............................................! ....................................... 262.5. (, , )..................... 272.6. ......................................................................................................... 30

    3. ............................................................................................ 33

    3.1. ............................ 343.2. .............................................................................. 363.3. ....................... 393.4. ......................................................... ........................ 433.5. ........... .............................................................. 453.6.

    ..................................................................................................... 473.7. ........................... 50

    4. .............................................................................................................. 554.1. : , , ............................................................... 554.2. ............................................................................................... 584.3. .......................................................................................... 604.4. ........................................................................................ 64

  • 5. ....................................................................................................... 715.1. : , , ........................................................... 715.2. ............................................................................................ 745.3. .................................................................................... 755.4. .................................................................................... 80

    6. .............................................................................. 876.1. = + ............................................ ................... 876.2. ; .......................................... . 896.3. ................................ 926.4. .................................. 93

    7. 977.1.

    ............................................................................................................. 977.2.

    ...................................................................................................... 1007.3. .

    ................................................................. 103

    8. . 1078.1. ........................................ 1078.2. .

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    ; .............................................. 1118.4.

    ......................................................................................................... 119

    9. ................................................................................................................. 1239.1. ....................................................... , ................. 1239.2. . ............................................................... 1259.3. .......................................................................................... 126

    10. ................................................................................................................... 12910.1. ......................................................... 12910.2. . ................................................................... 13110.3. ............................................................................................ 133

    11. ............................................................................................................... 13511.1. .................................................................................. 13511.2. () ................. 13611.3. ................................................................. 137

  • 12. ................................................................................................. 1391. ...................................................................................... 1392. , .................................................................................... 1393. ........................................................... 1404. ............................................................................................................... .1415. ......................................................................................................... 1416. ........................................................................................ 1427. ........... ...................... 1438. .................................. 1439. ................................................................................................................. 14310. ............................................ .................................................................... 14411. ................................................................................................................. 144

    ................................................................................................................... 145

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    , , .

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  • 2 1.

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    ^ = 3 \ = 3 , \ = 3 -3 = 9 \ = 3 - 2 = 6 .

    1.1.

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    ^ ' 8 =

  • 1.1. 3

    \ 4 5

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    I 2. 6 = 5 , = 8 \ = 4 . \ || \ \ .

    5 8. . = , = ------, \ \ 4 \

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    \ , \ 2 2 3 , \, \ 2 2 .

    ) . 10 \, 2 , 3 , 4 5 (. 11) \ = \ 2 = 2 3 = 34 = 45 , \, 2 , 3 , 4 \ \ || 22 || 33 || 44 [| 5 . , , \ = \ 2 = 23 = 34 = 4 , 2 2 : 3, . 2 : 2 = 2 : 3 .

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  • 6 1.

    1. 13 .

    ) = , = 2 , = 12 .) = 30 , = , = 50 .

    ) = 8 , = 20 , = .

    13 14

    2. 14. :) = 4 , = , = 5 ;

    ) , 1 : = 3 : 4 = 2 ;

    ) , = 3 , 1

  • 1.2. 7

    5. .) .) .) : = 2 : 1 .) 5 : 2

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