No. 1,957 in Russian
сложной
Complex; difficult.
In a sentence
Эта задача показалась мне слишком сложной.
This task seemed too complex to me.
The word 'сложной' is used as an adjective in 'дательном падеже' (dative case) describing the attribute 'complex' for the task.
Он столкнулся с сложной проблемой на работе.
He encountered a complex problem at work.
Here, 'сложной' modifies the noun 'проблемой' as an adjective in 'творительном падеже' (instrumental case) indicating the challenging nature of the issue.
Мы начали обсуждение сложной темы с экспертами.
We began a discussion of a complex topic with experts.
In this example, 'сложной' is used in 'родительном падеже' (genitive case) to describe the complexity of the topic being discussed.
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