Page 37 - Fixtures
P. 37

@ @pbjïØ Üa@                                      @RR

                                     .(400 − 18) + 1 = 383
                                                     ()

                                                 25

. 23                           24
()
      . 25 × 24 × 23 = 13800

                                     ()

B,C ∈ {0,1,2,…,9} A ∈ {1,2, 3,…, 9}  ABCD
           1000 < x < 10000 x
                                           . D ∈ {0,2, 4, 6, 8}
                                     . 9 ×10 ×10 × 5 = 4500

                                                      ()

              97 60

      .A ≠ 0     ABCD                                 3A
       .4     DC B
                                     . 3 × 4 × 4 × 4 = 192
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