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lehoangmai20
2 năm trước
chứng minh biểu thức ko phụ thuộc vào giá trị của x z(y-x)+y(z-x)+x(y+z)-2y^2+100 2y(y^2+y+1)-2y^2(y+1)-2(y+10) ai làm đúng em cho trlhn ạ!
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( people; entertainment; contestants; judges; competition; choose; audience; votes; spot; reality ) Originating in 2006 america's got talent (also know as AGT) is an American (1) _____________ television series on NBC. The show was developed with the help of Simon Cowell but due to Idol and Fox obligations, he has never judged. The show is a talent competition which has no restrictions to age or act, with the main focus on weather or not it was entertaining. It is divided into three main rounds. The acts first compete on stage in front of an audience and the three or four judgrs. Each judge has a loud 'X' buzzer which they can press if they feel an act is not meeting expectations . If an act gets all the judges to buzz, it is immediately over and they are out of the (2) _________. These remain active throughout the show, but during later rounds frequently get used. It starts off with the audtion week held across the country where acts have roughly 90 seconds to impress the judges and an area audience. Following each act, the judges quickly vote and based on majority rules decide if the contestants go to the next round or are cut on the (3) ___________ . Following the audition week, the show and accepted acts move to Vegas where the acts perform again, only this time in front of only the judges and no (4) _________________. Following Vegas week, the judges cut the competition aggressively to 48 acts to move onto the next, most important round. The 48 acts chosen go onto the live quarter-finals in various cities to compete on live television for the audience (5) _______________ as the power now shifts away from the judges. There are 4 quarter finals with 12 acts performing each week (4 advance each), followed by two semifinals (4 advance each) followed by the final where the winner is declared. The grand prize winner will receive one million US dollars and a chance for their own show in Vegas.

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