need to register for an official account?
Thx. 看楼主的link, 都是算试题,不是应用题
所有跟帖:
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还有beestar的免费数学,是应用题,看看
-林吉-
♂
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01/21/2018 postreply
10:46:28
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Thanks.
-Smilee-
♀
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01/21/2018 postreply
10:57:58