Question

          Tính       3^4 * 2 +2^3 * 5 - 7 * ( 5^7 : 5^5 )

Answer 1

3⁴.2+2³.5-7.(5⁷:5⁵)

=81.2+8.5-7.5²

=81.2+8.5-7.25

=162+40-175

=202-175

=27