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@ @RU@                   @†a‡Èÿa@                           @

   6∗ − 4∗ = 2∗ ( )                      3∗ + 6∗ = 9∗ ( )
  10∗ ÷ 2∗ = 5∗ ( )
  3() 2( )                               2∗ × 6∗ = 12∗ ( )

                                   1( )         0 ()

                                         [AJHSME 1988] (    )

10 ( )             9( )            8( )         7 ()

                                         [AJHSME 1988] ( )

                                   0.075 ×2.56

          . 19200

19.2 ( )     1.92 ( )    0.192 ( )       0.0192 ( )
          ( ) 11 10
13 12                    : 164 [AJHSME 1988] (              )

                         ( ) 10          ( ) 42 ( )
   33   34   35   36   37   38   39   40   41   42   43