(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?

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(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?(-3a^3b^4)(-3a^3b^4)怎么算?答案是9

(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?
(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?

(-3a^3b^4)(-3a^3b^4)怎么算?答案是9a^6b^8吗?
是对的,刚才回答过了