2013AMC12A真题及答案解析
2013 AMC12A 真题 答案解析请参考文末 Problem 1 Square has side length . Point is on , and the area of is . What is ? Problem 2 A softball team played ten games, scoring , and runs. They lost by one ...
2014AMC12B真题及答案解析
2014 AMC12B 真题 答案解析请参考文末 Problem 1 Leah has coins, all of which are pennies and nickels. If she had one more nickel than she has now, then she would have the same number of pennie...
2014AMC12A真题及答案解析
2014 AMC12A 真题 答案解析请参考文末 Problem 1 What is Problem 2 At the theater children get in for half price. The price for adult tickets and child tickets is . How much would adult tickets...
2015AMC12B真题及答案解析
2015 AMC12B 真题 答案解析请参考文末 Problem 1 What is the value of ? Problem 2 Marie does three equally time-consuming tasks in a row without taking breaks. She begins the first task at 1:0...
2015AMC12A真题及答案解析
2015 AMC12A 真题 答案解析请参考文末 Problem 1 What is the value of Problem 2 Two of the three sides of a triangle are 20 and 15. Which of the following numbers is not a possible perimeter of...
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....
