Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Russian
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
это была чрезвычайно актуальная задача в 1920-30-х годах
stresses
math.
this was a highly topical problem in the 1920s-1930s
Add
|
Report an error
|
Get short URL
|
Language Selection Tips