Question

（a^2)^3-(-3a^3)^2+a乘a^2乘a^3

Answer 1

（a^2)^3-(-3a^3)^2+a乘a^2乘a^3

=a^6-9a^6+a^(1+2+3)

=a^6-9a^6+a^6

=2a^6-9a^6

=-7a^6

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