How to solve the sixth problem of science mathematics in Guangdong college entrance examination?

The answer is that there are two possibilities for team d. A to win:1:Team A wins the first game with a probability of1/2; 2. A lost the first game and won the second game. The probability is: (1/2) * (1/2) =1/4. So the probability of A winning the prize is: 1/2+ 1/4=3/4. Choose D.

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Where is the summer school in Fuqing, Fuzhou? Fuqing junior high school mathematics cram school price? Thank you for your questions.

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