Question

aaa+aa+8x3=1000

Answer 1

Lời giải:

Từ đề bài suy ra:
$\overline{aaa}+\overline{aa}+24=1000$

$a\times 111+a\times 11+24=1000$

$a\times (111+11)+24=1000$

$a\times 122+24=1000$

$a\times 122=1000-24=976$

$a=976:122=8$

Vậy $a=8$

Answer 2

a = 8