等边三角形

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((děng )(biān )(sān )(jiǎo )(xíng )(děng )(biān )(sān )(jiǎo )(xíng ))

(sān )(biān )(dōu )(xiàng )(děng )(de )(sān )(jiǎo )(xíng )

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●等边三角形(简体版)

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