Also known as mental math, mental arithmetic
장치의 도움을 받지 않고 셈이나 수식을 머릿속으로 계산하는 것
Wikidata facts
- Subclass of
- cognition
- Has part
- mental abacus
- Image
- Mental calculation at primary school.jpg
- Has use
- mind sport
Show 3 more facts
- topic's main category
- Category:Mental calculation
- Commons category
- Mental calculators
- practiced by
- mental calculator
Sources (2)
via Wikidata · CC0