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@ @¶ìÿa@óÝy‹¾a@ u@                                            @QYR

        1+1                                                   βα
        αβ

7 ()         7( )    −7 ( )                                            −7 ()

3            6         3                                                 6

        x            .f               x    =  2x 2  +  x  +  3          (  )
                                           5                                         )
                                                                                     )
                                                              f (5x) = 253           )

20 ( )       10 ( )                 0( )                            − 1 ()

                                                                      10

                                                                            (

                    x 3 + 3x 2 − 7x + 1 = 0

23 ( )       19 ( )                 13 ( )                                10 ( )

                                                                                  (

                          2x 5 + 4x 3 + 2x = 0

5 ( ) 3 ( ) 1 ( ) 0()

f (6) − f (2) = 12   f (x ) = ax 2 + bx + c                                       (

                    f (12) − f (2)                      . f (8) − f (4) = 16

45 ( )       35 ( )                 25 ( )                                20 ( )
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