Question

(-5)^6:(-5)^4+2^3.2^2-225:15^2

Answer 1

^ là lũy thừa ak

 

Answer 2

\(\left(-5\right)^6:\left(-5\right)^4+2^3\cdot2^2-225:15^2\\ =\left(-5\right)^2+2^5-225:225\\ =25+32-1=56\)

Answer 3

ta có: -5⁶ : (-5)⁴ + 2³ . 2² - 225 : 15²

= -5² + 2⁵ - 1

=25 + 32 -1

= 56