Recommend some interesting math topics suitable for senior high school students

1. In the following questions, each Chinese character represents a number, the same Chinese character represents the same number, and different Chinese characters represent different numbers. What does each number stand for?

Beijing Olympic Games

Olympic games

+Cloud

2 0 0 8

2, ten trees, six rows, three trees in each row, how to plant?

What teaching AIDS do Fujian teachers see in recruiting primary school mathematics?

Manual steps for making clocks and watches?

Which version is the fifth grade math book in Chencun Town Primary School, Shunde District, Foshan City?

Junior high school mathematics variant problems

Is it reliable to review the adult college entrance examination with simulation questions?

Jiaozi's math exercise homework

& gt How to conduct sector statistics according to statistical data _ Teaching plan of "sector statistics" in sixth grade primary school mathematics of Jiangsu Education Publishing House

The fifth grade math problem 100.

20 19 Tianjin college entrance examination science mathematics examination paper and its answer and analysis

20 10 Jinzhou senior high school entrance examination questions