411 REFERENCE · Wiktionary
Kopfrechnen
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
German
Etymology
Compound of de Kopf rechnen.
Pronunciation
de /ˈkɔp͡fˌʁɛçnən/
de De-Kopfrechnen.ogg <<Germany>> (<<Berlin>>)
de De-Kopfrechnen2.ogg <<Germany>> (<<Berlin>>)
de Kopf rech nen
Noun
n.sg
mental calculation
Declension
n.sg