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Olympic Number Network
National Station

Cup competition

Hua Cup hopes that the cup will go to the US Cup to learn and think about the problem solving ability of the Cup

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Mathematical knowledge points

Itinerary

Multi-person itinerary, second encounter, multiple encounters, train crossing bridge

A simple encounter with a round- trip runway

Basic itinerary clock face itinerary stop and go

Number theory problem

Divisor of multiples

Composite prime numbers, factoring prime factors, unique factoring theorem

Parity principle of parity analysis of Chinese residual theorem

Geometry problem

Ingeniously find the perimeter circle and fan-shaped grid points and area

Five Models of Pythagorean Theorem and Chord Diagram

Stereo graphic coloring counts other linear geometric problems

Counting problem

Addition principle Multiplication principle Permutation and combination enumeration method

Scalar method Bundle method Insertion method Exclusion method

Correspondence method

Application questions

Hundreds of questions

Engineering problem Profit and loss problem Age problem Tree planting problem

Cattle grazing problem concentration problem ratio problem reduction problem

Calculation problem

Mathematical calculation formula

Replacement method to round up to find regular loop fractional fraction

Comparison and estimation split general term induction new definition operation

Mathematical Problems

Logic Reasoning Number Array and Digital Enigma Operations and Strategies

Drawer principle indefinite equation maximum value problem coloring problem

Olympiad keywords

Mathematical Olympiad > Primary School Resource Library > Olympic Daily Exercise > Olympic Math Practice