已知:A=-2^5,B=2^5,求A^2-2AB+B^2和A^3-3A^2B+3AB^2-B^3
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已知:A=-2^5,B=2^5,求A^2-2AB+B^2和A^3-3A^2B+3AB^2-B^3
已知:A=-2^5,B=2^5,求A^2-2AB+B^2和A^3-3A^2B+3AB^2-B^3
已知:A=-2^5,B=2^5,求A^2-2AB+B^2和A^3-3A^2B+3AB^2-B^3
A^2-2AB+B^2
=(A-B)^2=(-2*2^5)^2=(2^6)^2=2^12
A^3-3A^2B+3AB^2-B^3
=(A-B)^3=(-2*2^5)^3=(-2^6)^3=-2^18