2016AMC12B真题及答案解析
2016 AMC12B 真题 答案解析请参考文末 Problem 1 What is the value of when ? Problem 2 The harmonic mean of two numbers can be calculated as twice their product divided by their sum. The harmon...
2016AMC12A真题及答案解析
2016 AMC12A 真题 答案解析请参考文末 Problem 1 What is the value of ? Problem 2 For what value of does ? Problem 3 The remainder can be defined for all real numbers and with bywhere de...
2017AMC12B真题及答案解析
2017 AMC12B 真题 答案解析请参考文末 Problem 1 Kymbrea's comic book collection currently has comic books in it, and she is adding to her collection at the rate of comic books per month. LaShawn's co...
2009AMC10B真题与答案解析
2009AMC10B真题 答案解析请参考文末 Problem 1 Each morning of her five-day workweek, Jane bought either a 50-cent muffin or a 75-cent bagel. Her total cost for the week was a whole number of dollars....
2009AMC10A真题与答案解析
2009AMC10A真题 答案解析请参考文末 Problem 1 One can holds ounces of soda. What is the minimum number of cans needed to provide a gallon (128 ounces) of soda? Problem 2 Four coins are picked ...
2010AMC10B真题与答案解析
2010AMC10B真题 答案解析请参考文末 Problem 1 What is ? Problem 2 Makarla attended two meetings during her -hour work day. The first meeting took minutes and the second meeting took twice as l...
2010AMC10A真题与答案解析
2010AMC10A真题 答案解析请参考文末 Problem 1 Mary’s top book shelf holds five books with the following widths, in centimeters: , , , , and . What is the average book width, in centimeters? Pr...
2011AMC10B真题与答案解析
2011AMC10B真题 答案解析请参考文末 Problem 1 What is Problem 2 Josanna's test scores to date are and . Her goal is to raise her test average at least points with her next test. What is the mi...
2011AMC10A真题与答案解析
2011AMC10A真题 答案解析请参考文末 Problem 1 A cell phone plan costs each month, plus ¢ per text message sent, plus ¢ for each minute used over hours. In January Michelle sent text messages and talk...
