# 在线一本码道高清

National Station

## 行程问题More >>Travel itinerary [Summary of multi-person and three-person itinerary exercises]

Mathematical knowledge points, including multi-person itineraries, second encounters, multiple encounters, train crossing bridges, rowing boats, circular runways, clock face itineraries, stop-and-go, pick-up and drop-off issues, departure issues, elevator itineraries . ... More >>

## 数论问题More >>Number Theory Problems [Summary of the knowledge points of the number theory problem of divisible by number]

Elementary Mathematical Number Theory issues, including divisibility of numbers, multiples of multiples, remainder problems, composite prime numbers, decomposition prime factors, unique decomposition theorem, parity analysis, Chinese remainder theorem, place value principle, complete square number, integer division, round system Wait for test questions and answers. ... More >>

## 几何问题More >>Geometric Problems [Summary of Top Ten Solutions to Primary Mathematical Olympiad Geometry]

Mathematical problems in elementary mathematics in primary schools, including how to find the perimeter, the five major models of geometry, the Pythagorean theorem and chord diagram, circle and sector, the surface area and volume of three-dimensional graphics, the coloring of three-dimensional graphics, other linear geometric problems, grid points and area Questions and answers. ... More >>

## 计数问题More >>Counting issues [Summary of knowledge points of counting problem of addition principle]

Elementary math counting problems, including addition principle, multiplication principle, permutation and combination, enumeration method, scalar method, binding method, plug-in method, exclusion method, correspondence method, tree diagram method, induction method, whole method, recursive method Questions and answers such as the principle of tolerance and exclusion. ... More >>

## 应用题More >>Application questions [Summary of knowledge in chicken and rabbit cages]

Elementary Mathematical Olympiad questions, including hundreds of fractional questions, engineering problems, chicken and rabbit cage problems, profit and loss problems, age problems, tree planting problems, cattle grazing problems, economic profit problems, concentration problems, proportion problems, reduction problems and other test information. ... More >>

## 计算问题More >>Calculation problems [Summary of complex points calculation knowledge points]

Elementary mathematics calculation problems, including mathematical calculation formulas, calculation of complex fractions, fractional and integer fractional terms, replacement method, rounding, finding rules, comparison and estimation, circular fractional fractionation, splitting, general term induction, definition New calculations and other test questions. ... More >>

## 奥数杂题More >>Miscellaneous Mathematical Problems [Summary of Knowledge Points for Primary School Miscellaneous Logic Reasoning]

Elementary math problems, including logical reasoning, matrix maps and number puzzles, drawer principles, operations and strategies, indefinite equations, value problems, coloring problems, etc. ... More >>