Mathematical problems of racing car

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C3 / C5=3/ 10=0.3

The numerator is BC when winning the prize =, and the denominator is how many cases a winner is selected from ADE and how many winners are selected from ABCDE. . . Divide by the probability that BC will win the prize at the same time.

Beijing Final Mathematics Examination Paper

High school mathematics "excuse me, five people stand in a row, what is the probability that A and B are not adjacent?"

Repetition method of junior high school mathematics

Learn primary school mathematics from 0.

Is China Ji Liang University an institution?

What is the mathematical formula of area?

Mathematical Development China

Three summaries of mathematics teaching in the second volume of the first grade of People's Education Press

How to review and prepare for the exam in postgraduate mathematics?

Where does Taiyuan have to sell college entrance examination review materials? Please be more specific. I just came to Taiyuan and want to find a math tutor to prepare lessons.