Объяснение:
(b^5)³-(b^2)^7 : (b^6) =
=(b^15)-(b^14) : (b^6)= pri b=-2
=b^15 - b^(14-6)=
=b^15-b^8=
=b^8(b^7-1)
b^8(b^7-1) pri b=-2
=(-2)^8* ( (-2)^7 -1)=
=256 (-128-1)=256*(-129)=-33024
Объяснение:
(b^5)³-(b^2)^7 : (b^6) =
=(b^15)-(b^14) : (b^6)= pri b=-2
=b^15 - b^(14-6)=
=b^15-b^8=
=b^8(b^7-1)
b^8(b^7-1) pri b=-2
=(-2)^8* ( (-2)^7 -1)=
=256 (-128-1)=256*(-129)=-33024