Question

9abc - abc9      4473

Answer 1

   9abc - abc9 = 4473

= (9000+abc) - abc0 = 4473 + 9 

= 9000 - abc x 9  = 4482

= 9000 - 4482 = abc x 9

=4518 = abc x 9

abc = 502

Answer 2

minh hong biet

Answer 3

9abc - abc9 = 4473

9000 + abc - abc x10 - 9 = 4473

abc x ( 10 -1 ) = 9000 - 9 - 4473

abc x 9 = 4518

abc = 4518 : 9

abc = 502