(-a)²×a³×(-3b)³-(-3ab)²×(-a)³×b
=-27a^5*b³+9a^5*b³
=-18a^5*b³
化簡(jiǎn) (-a)²×a³×(-3b)³-(-3ab)²×(-a)³×b
化簡(jiǎn) (-a)²×a³×(-3b)³-(-3ab)²×(-a)³×b
數(shù)學(xué)人氣:435 ℃時(shí)間:2019-12-16 11:08:40
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