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已知等比数列{a_n }的各项均为正数,且2a_1+3a_2=1,a_32=9a_2 a_6,则数列{a_n }的通项公式为a_n=1/3^n 。设b_n=log_3〖a_1 〗+log_3〖a_... |
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If you leave me, please don't comfort me because each sewing has to meet
stinging pain. |
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If you leave me, please don't comfort me because each sewing has to meet
stinging pain. |
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If you leave me, please don't comfort me because each sewing has to meet
stinging pain. |
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If you leave me, please don't comfort me because each sewing has to meet
stinging pain. |
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If you leave me, please don't comfort me because each sewing has to meet
stinging pain. |
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本吧共有主題數5553個,帖子數19639篇,游泳的人數29位。 |