Page 50 - Fixtures
P. 50

@ @SU@          @óïŽbŽÿa@‡ÉÜa@ú†bjà@                   @

                                 .    18

        3                                           .
                             3
                                              18 − 6 = 12
                   18
                                                    .
                     .1000 1              .18 ×12 = 216
                                          [PACAT] ( )

                                                   7

ABC                         1000             7
                                                    7
                        . 999 1

             :                  . A,B,C ∈ {0,1,2,…,9}

217 78 17 7             7                              ()

7 CBA                                 . 743

A7                                . 9 × 9 = 81

        . 3 × 81 = 243                    .C B

                        .7                             ()

                .9 7

                C BA                      7
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