1 câu trả lời
$\overline{abc}$ `× 1001 =` $\overline{a564bc}$
$\overline{abc}$ `× 1001 =` $\overline{abcabc}$
`→` $\overline{a564bc}$ `=` $\overline{abcabc}$
`→ b = 5; c = 6; a = 4.`
Vậy $\overline{abc}$ `= 456`
$\text{#lknhatminh0322}$
$\overline{abc}$ `× 1001 =` $\overline{a564bc}$
$\overline{abc}$ `× 1001 =` $\overline{abcabc}$
`→` $\overline{a564bc}$ `=` $\overline{abcabc}$
`→ b = 5; c = 6; a = 4.`
Vậy $\overline{abc}$ `= 456`
$\text{#lknhatminh0322}$