8abc - abc8 = 3627
8000 + abc - abc . 10 - 8 = 3627
7992 - abcx9 = 3627
abc x 9 = 7992 - 3627 = 4365
abc = 4365 : 9
abc = 485
7+8=15
=>c=5nhớ1
2+5+1=8
=>b=8
6+8=4
=> a=4
Chúc bạn may mắn!
8abc - abc8 = 3627
( 8000 + abc ) - abc x 10 + 8 = 3627
= > ( 8000 - 8 ) - ( 10 x abc - abc ) = 3627
7992 - ( 9 x abc ) = 3627
9 x abc = 7992 - 3627
9 x abc = 4365
abc = 4365 : 9
abc = 485
Ung ho nha, chuc ban hoc gioi .