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@ @TS@                                    @†a‡Èÿa@                                               @

                                                                          :( )              ()

        (1.8)(40.3 + 0.07) = 1.8 × 40.37 ≈ 1.8 × 40 = 72                                    ()

                        .74 . 72                                                            ()
                                                :( )
                                                                                            ()
        .8 <           . 2 = 2 = 2×3 = 6                                  :( )

                          1−2 1
                               33

                 80 < 9 2 < 8 < 3

8 7 6 5 4 3 : 80 8

                                                                       .6

                                                                             :( )

                     .B = 8               B =3                               .

                                                                                      B =3

                                             32
                                          × 73

                                          2336

                                                        .B = 8

                                                                             :( )           ()
                                                                                            ()
        . (3  ∗  5)  ∗  8  =   3  +  5  ∗  8  =  4  ∗  8  =  4  +  8  =  6
                                       2                                  2

        bb                                                                :( )
                        a
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