About unapproved sentences

You may see some sentences in red. These sentences are not approved by Tatoeba's community. They raise copyright issues or are otherwise problematic. If you are a contributor, please avoid translating them.

Logs

  • date unknown
This is a difficult math problem.
  • date unknown
linked to #218170
linked to #417760
linked to #417761
linked to #580529
linked to #857046
linked to #1216352
linked to #1789404
linked to #3486045
linked to #3551577
linked to #3551579

Report mistakes

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Sentence #55481

eng
This is a difficult math problem.

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