若a²+b²=3ab,则[1+2b³/(a³-b³)]/[1+2b/(a-b)]

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若a²+b²=3ab,则[1+2b³/(a³-b³)]/[1+2b/(a-b)]

若a²+b²=3ab,则[1+2b³/(a³-b³)]/[1+2b/(a-b)]
若a²+b²=3ab,则[1+2b³/(a³-b³)]/[1+2b/(a-b)]

若a²+b²=3ab,则[1+2b³/(a³-b³)]/[1+2b/(a-b)]