Russian ⇄ Bashkir Chinese Czech English Finnish French German Hebrew Hungarian Italian Latin Latvian Norwegian Bokmål Polish Russian Spanish Tajik Vietnamese

что и требовалось доказать stresses
astr.	q. e. d.
el.	quod erat demonstrandum
lat.	quod erat demonstrandum (Latin for "which was to be proved"); quod erat faccendum; quod erat inveniendum
math.	as was to be proved; as was to be proved (MichaelBurov); which was to be proved; which was to be demonstrated (snusmumric); which is the required result; which is what we set out to prove; which proves the statement; which proves the theorem (The conclusion of Lemma follows directly.); quod erat demonstrandum (чтд ; ч.т.д.; QED; Q.E.D.; W.W.W.W.W.; WWWWW MichaelBurov); which was what we wanted (чтд; ч.т.д.; QED; Q.E.D.; W.W.W.W.W.; WWWWW MichaelBurov)
tech.	this completes the proof
Russian thesaurus
что и требуется доказать
gen.	чтд (  MichaelBurov); ч.т.д. (  MichaelBurov)

что и требовалось доказать: 2 phrases in 2 subjects

Figurative	1
Latin	1