Question

1002/9018+72/162+108/243=.......

Answer 1

= 1002/(3006x3) + 72/(54x3) + 108/(81x3)

= 1/(3x3) + 8/(6x3) + 12/(9x3)

= 1/3(1/3 + 8/6 + 12/9)

=1/3 (1/3+4/3 + 4/3)

=1/3(9/3)

=1

Answer 2

=1 nhớ đấy