- covering congruence
- мат. покрывающее сравнение
Большой англо-русский и русско-английский словарь. 2001.
covering congruence
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Covering system — In mathematics, a covering system (also called a complete residue system) is a collection of finitely many residue classes whose union covers all the integers. Unsolved problems in mathematics For any arbitrarily large natural number N does there … Wikipedia
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Erdős–Straus conjecture — The Erdős–Straus conjecture states that for all integers n ≥ 2, the rational number 4/ n can be expressed as the sum of three unit fractions. That is, there exist positive integers x , y , and z such that :frac4n = frac1x + frac1y + frac1z.The… … Wikipedia
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
