Question

9³ . 76 + 9³ . 5^{2 -} 9³

Answer 1

9³.76+9³.5²-9³

=9³(76+5²-1)

=729(76+25-1)

=729.100

=72900

vậy kết quả là 72900

Answer 2

\(9^3.76+9^3.5^2-9^3\)

\(=9^3.\left(76+5^2-1\right)\)

\(=9^3.\left(76+25-1\right)\)

\(=9^3.\left(101-1\right)\)

\(=9^3.100\)

\(=729.100\)

\(=72900\)