Упростите 7a(a-b)-b(b-7a)=
3x(x-2a)-6a(a-x)=
(y^2\z^8)^5=
(3^7*5^5)^4
__________ =
(5^4*3^6)^5
28t^5u^7
_______=
-7t^6u^5
3x(x-2a)-6a(a-x)=
(y^2\z^8)^5=
(3^7*5^5)^4
__________ =
(5^4*3^6)^5
28t^5u^7
_______=
-7t^6u^5
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