你知道这些公式是从哪里来的吗？

Do you know where these equations come from?

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
3 这些 zhèxiē these
4 公式 gōngshì formula
=5 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=5 是 shì variant of 是 shì
=6 从 cóng variant of 从 cóng
=6 从 Cóng surname Cong
=6 从 cóng
  1. from; through; via
  2. (bound form) to follow
  3. (bound form) to obey
  4. (bound form) to engage in (an activity)
  5. (used before a negative) ever
  6. (bound form) (Taiwan pr. zòng) retainer; attendant
  7. (bound form) (Taiwan pr. zòng) assistant; auxiliary; subordinate
  8. (bound form) (Taiwan pr. zòng) related by common paternal grandfather or earlier ancestor
=7 哪里 nǎlǐ
  1. where?
  2. somewhere
  3. anywhere
  4. wherever
  5. nowhere (negative answer to question)
  6. humble expression denying compliment
  7. also written 哪里
=7 哪里 nǎlǐ
  1. where?
  2. somewhere
  3. anywhere
  4. wherever
  5. nowhere (negative answer to question)
  6. humble expression denying compliment
8 来的 láide
  1. (regional, chiefly Cantonese-influenced Mandarin, colloquial) synonym of 來著 /来着 (láizhe)
  2. at; in
  3. synonym of 來著 /来着 (láizhe)
  4. to be at; to be in; to exist
  5. used to indicate the continuous aspect
=9 吗 má (coll.) what?
=9 吗 mǎ used in 吗啡 mǎfēi
=9 吗 ma (question particle for "yes-no" questions)