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Questions ( 2 )
  • Alex writes 10 consecutive natural numbers. The sum left is 490 when he erases one of them. Find the number is erased.

  • There are 2562 fifth graders taking the National Violympic Competition. Of which the number of students who won the silver medal was twice that of the gold medal, the number of students who won the bronze medal was twice the number of the silver medalists, the number of students who were twice the number of students recommended. Won the bronze medal and the number of unsatisfactory students was 1602. Know that 12.5% of the students won the gold medal with an absolute score of 300 points. Ask how many students have 300 points?

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