Question

abc x 17 = 2abc

Tìm abc

[ dành cho nâng cao]

Answer 1

2000 : ( 17 - 1 ) =125 tick nha

Answer 2

abc*17=2abc

abc*17=2000+abc

abc*16=2000

       abc=2000/16

       abc=125

vậy abc = 125

Answer 3

hiệu : 2abc - abc = 2000

abc : 2000 : ( 17 - 1 ) = 125

Answer 4

abcx17=2abc

abcx17=2x1000+abc

abcx17=2000+abc

abcx17-abc=2000

abcx(17-1)=2000

abcx16=2000

abc=2000:16

abc=125