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чтобы выяснить причины наличия секулярных членов (to clarify the reasons for the occurrence of secular terms it is useful to consider a problem which); чтобы объяснить причины появления вековых членов (to clarify the reasons for the occurrence of secular terms it is useful to consider a problem which) |
to clarify the reasons for the occurrence of secular terms : 3 phrases in 1 subject |
Mathematics | 3 |