OCME · Bilingual mathematics & derivations

Concept derivation guides

299 concept teaching guides, separate from the 36,000 individual question derivations.

Concept guide

Extracting 3-adic factors of signed integers

v3(-108)=3,v3(18)=2,v3(-1944)=5,v3(-90)=2; zero uses infinity.

p-adic valuation of integers

derivation-mko-p-adic-valuation-integers-01