По твоему письм...

In an exercise in "Расговорная практика" Добавьте окончания существительных, опреляя их палеж I see:
"По твоему письм... я понял, что ты любишь литературу". "Letter" is always in plural in this exercise. I think it should be "По твоим письм(ам)" or "По твоему писму".
Pse a help. Thanks.

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Originally Posted by radomir

In an exercise in "Разговорная практика" Добавьте окончания существительных, определяя их падеж I see:
"По твоему письм... я понял, что ты любишь литературу". "Letter" is always in plural in this exercise. I think it should be "По твоим письмам"(it's correct)

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А если просто вставить вместо многоточия "у", то чем плохо?

"По твоему письму я понял, что ты любишь литературу".

Дательный падеж.

Thank you both. I should not ask such a question, out of my ignorance. The next time I will study more the item before asking things like this.

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Originally Posted by radomir

Thank you both. I should not ask such a question, out of my ignorance. The next time I will study more the item before asking things like this.

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Hi Radomir & welcome to the forum! Please don't feel bad about asking basic questions as it would help people like me to understand when explanation is given by the 'gurus'.
Also when you ask it tends to make things clearer to yourself too. Besides you often get many different aspects that you don't see before. I must say that the 'residents' here on this forum are extremely helpful and very selflessly spend their time carefully giving us very good guidance in learning the language.