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2014AMC10B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 pennies and nic...
2014AMC10A真题与答案解析
2014AMC10A真题 答案解析请参考文末 Problem 1 What is Problem 2 Roy's cat eats of a can of cat food every morning and of a can of cat food every evening. Before feeding his cat on Monday morni...
2015AMC10B真题与答案解析
2015AMC10B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 1:00 ...
2015AMC10A真题与答案解析
2015AMC10A真题 答案解析请参考文末 Problem 1 What is the value of Problem 2 A box contains a collection of triangular and square tiles. There are tiles in the box, containing edges total. How...
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2016AMC10B真题 答案详细解析请参考文末 Problem 1 What is the value of when ? Problem 2 If , what is ? Problem 3 Let . What is the value of ? Problem 4 Zoey read books, one at a ...
2016AMC10A真题与答案解析
2016 AMC10A真题 答案解析请参考文末 Problem 1 What is the value of ? Problem 2 For what value does ? Problem 3 For every dollar Ben spent on bagels, David spent cents less. Ben paid mo...
2017AMC10B真题与答案解析
2017AMC10B真题 答案解析请参考文末 Problem 1 Mary thought of a positive two-digit number. She multiplied it by and added . Then she switched the digits of the result, obtaining a number between and ...
2017AMC10A真题与答案解析
2017AMC10A真题 答案解析请参考文末 Problem 1 What is the value of ? Problem 2 Pablo buys popsicles for his friends. The store sells single popsicles for each, -popsicle boxes for each, and -popsicle...
IYPT全球青年物理学家锦标赛 2018年真题
International Young Physicists’ Tournament IYPT全球青年物理学家锦标赛 2018年真题（附中文翻译） The originator of a new concept finds, as a rule, that it is much more difficult to find out wh...
