- 小学生趣味智力题：得到红球的准确几率是多少？ 2019-09-23 Fun puzzle for primary school students: What is the accurate chance of getting a red ball?
- 小学生趣味智力题：这只小鸟飞行了多长距离？ 2019-09-23Puzzle puzzle for primary school students: How long has this bird flew?
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- 小学生趣味智力题：请问三个女儿的年龄分别是多少？ 2019-09-23Puzzle puzzle for primary school students: What are the ages of the three daughters?
- 小学生趣味智力题：用什么方法来确定 2019-09-23Puzzle puzzles for primary school students: what method to use to determine
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- 小学生趣味智力题及答案：计时一个小时十五分钟 2019-09-23 Pupils' fun puzzles and answers: timed one hour and fifteen minutes
- 小学生趣味智力题及答案：如何用数学公式算出11 2019-09-23Puzzle puzzles and answers for primary school students: how to use mathematical formulas to calculate 11
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- 小学生趣味智力题及答案：请预算一下CN TOWER电视塔的质量 2019-09-23Puzzle puzzles and answers for primary school students: Please budget the quality of CN TOWER TV Tower
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- 小学生趣味智力题及答案：到底有多少阶 2019-08-26 Elementary school students' fun puzzles and answers: how many levels are there
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- 小学生趣味智力题及答案：两道作业题 2019-08-15 Pupils' fun puzzles and answers: two homework questions
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Recognize the graphics 1 Recognize the graphics 2 Recognize the graphics 3 Count the number 1 Count the number 2 Draw the pendulum to see how to do it Finding the change pattern of a graph by dividing the equal product of a graph

Quick calculation and clever calculation 1 Quick calculation and clever calculation 2 Counting and counting 1 Counting and counting 2 Counting and counting 3 Counting and counting 4 Filling and splitting 1 Filling and splitting 2 Grouping and grouping natural string fun questions Range and order odd and even yes and no matchstick game 1 matchstick game 2 matchstick game 3

Quick calculations and clever calculations , counts and counts 2 Understanding simple numbers Natural numbers fun questions Finding the rules 1 Finding the rules 2 Finding the rules 3 Filling the graphs and splitting Consider all possible situations 1 Consider all possible situations 2 Carefully review the questions and guess Try to draw the list

Wit and Epiphany Counting and Counting Quick Calculations and Clever Calculations Counting Shapes One- Drawing Problem Seven Bridge Problems Number Game Problem 1 Number Game Problem 2 Integer Division Enumeration Method Finding Regularity Method Reverse Reasoning Drawing Drawing Display Method Equivalent Substitution Addition and subtraction

Quick calculations and smart calculations 1 Quick calculations and smart calculations 2 Staircase problems Planting trees and square matrix problems Finding the laws of geometric figures Finding the laws of simple sequences Filling formula 1 Filling formula 2 Numeric puzzles 1 Numeric puzzles 2 Smart fillers 1 Smart fillers 2 Match Stick Game 1

Find the law from the number table Talk about the multi-stroke and application problems from the Seven Bridges of K?nigsberg, the shortest route problem, the normalization problem, the average problem , the double problem , the double problem, and the poor problem, the age problem, the chicken and rabbit problem, the problem of profit and loss. Talking from the binary of a number

Quick calculations and smart calculations 3 Quick calculations and smart calculations 4 Defining new arithmetic equal difference sequences and the magical application of the backward inversion method Stroke problems 1 Counting problems in geometry 1 Counting problems in geometry 2 Simple spelling of graphics 1 Simple spelling of 2 graphics Dot and area matrix map fill in horizontal formula 1 fill in horizontal formula 2

Multiplication principle Addition principle Permutation combination Permutation combination Permutation combination Comprehensive application stroke problem Mathematical game interesting number matrix Figure 1 Interesting number matrix Figure 2 Simple magic square and its number matrix figure Selecting lectures on math contest questions for overall planning

Dividing a number by a prime prime composite factoring the largest common divisor the least common multiple division with odd and odd numbers and even and odd parity applications with numbers that are divisible by prime numbers below 30. Traveling problems. Rowing problems. Cattle grazing problems . Equation solving problems. General Principles of Drawer Principle

Irregular figure area calculation 1 Irregular figure area calculation 2 Cleverly finding the concept and properties of the maximum surface area common divisor least common multiple congruence indefinite equation solution application problem indefinite equation integer solution clock problem mathematical game logical reasoning 1 logical reasoning 2 exclusion principle Selective lectures on recursive methods of overall planning

Engineering Problem Ratios and Proportional Fractions, Percent Applied Problems 1 Fractions, Percent Applied Problems 2 Calculation of Cubes and Cubes Stereo Figures Calculation of Rotating Body Application of Congruence Problem Solving Math in Binary Decimal Board 1 Analysis of 4 typical test questions of mathematics in chessboard

Application of column equation solutions. Rounding calculations. Shortest path problem. Wonderful grid table. Cleverly finding the matching area and logical reasoning in the graph theory of splitting the largest and smallest problem integers . From arithmetic to algebra 1 From arithmetic to algebra 2 Lecture 1 Selective Lecture 2

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Multi-person itinerary Two encounters, chasing problems Multiple encounters, chasing problems Trains crossing bridges, running water, circular runways, simple encounters, chasing problems Basic schedule problems Clock face travel walk stop stop problems Departure problems elevator travel hound chasing rabbit average speed

Dividing and Restricting Multiple Remainders of Numbers Problem of Prime Composite Decomposition Prime Factor Parity Analysis Chinese Remainder Theorem Place Value Principle Full Square Number Integer Split Carry

Five models for calculating perimeter geometry cleverly, the Pythagorean theorem , the surface area and volume of three - dimensional figures of chord diagram circles and fan-shaped three - dimensional figures, and the coloring and counting of other three-dimensional geometric problems .

Addition principle Multiplication principle Permutation combination Enumeration method Scalar method Bundle method Insertion method Correspondence method Tree diagram method Inductive method Global method Recursive method Exclusion principle Geometric figure counting

Hundreds of points applied problems engineering problems chicken and rabbits cage problems profit and loss problems age problems tree planting problems cattle grazing problems economic profit problems concentration problems ratio problems reduction problems column equation solutions application problems

Mathematical calculation formulas: the calculation of complex fractions and the splitting of integers; the method of rounding; comparison and estimation; rounding fractions; fractional fractionation; general terms; induction; definition of new operations

What is Mathematical Olympiad and Chinese Mathematical Olympiad and Xiaoshengchu Why Learn Mathematical Olympiad Cup Sai Mathematical Learning System How to Learn Mathematical Olympiad

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