已知a²=3,(1)求(a³)²的值 (2)求2a^4的值
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已知a²=3,(1)求(a³)²的值 (2)求2a^4的值
已知a²=3,(1)求(a³)²的值 (2)求2a^4的值
已知a²=3,(1)求(a³)²的值 (2)求2a^4的值
(a³)²
=(a²)³
=3³
=27
2a^4
=2(a²)²
=2×3²
=18