【同步首发】2018AMC10B官方真题及答案
2018 AMC10B真题 答案解析请参考文末 Problem 1 Kate bakes a 20-inch by 18-inch pan of cornbread. The cornbread is cut into pieces that measure 2 inches by 2 inches. How many pieces of cornbread does ...
【同步首发】2018AMC12B官方真题及答案
2018 AMC 12B真题 答案解析请参考文末 Problem 1 Kate bakes 20-inch by 18-inch pan of cornbread. The cornbread is cut into pieces that measure 2 inches by 2 inches. How many pieces of cornbread does t...
2018年美国AMC10/12A最后五题解答(上)
分A和B两次竞赛, 时间相隔约一周左右. AMC10的参赛对象为不... 及AMC12成绩处于前5%的学生, 将受邀参加美国数学邀请赛(...
【同步首发】2018AMC12A官方真题及答案
2018 AMC 12A真题 答案解析请参考文末 Problem 1 A large urn contains balls, of which are red and the rest are blue. How many of the blue balls must be removed so that the percentage of red balls in t...
【同步首发】2018AMC10A官方真题及答案
2018AMC10A真题 答案解析请参考文末 Problem 1 What is the value of Problem 2 Liliane has more soda than Jacqueline, and Alice has more soda than Jacqueline. What is the relationship between the amo...
2018 AMC 12A Answer Key答案解析
2018 AMC 12A Answer Key答案解析 翰林国际教育全网首发 Problem 1 答案：D Solution：There arered balls; for these red balls to comprise of the urn, there must be only blue balls. Since there are cur...
2018 AMC 10A Answer Key答案解析
2018 AMC 10A Answer Key答案解析 翰林国际教育全网首发 Problem 1 答案：B Solution：, so the reciprocal is. Summing and repeating leads to . Rinse and repeat to get . Adding to that is (B) P...
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【全网首发】2018AIME真题及答案
2018AIME比赛时间 2018AIME北美比赛时间： AIME I 1卷 Competition Date: 3月6日, 2018 AIME II 2卷 Competition Date: 3月21日, 2018 2018AIME 中国比赛时间： AIME I 1卷 Competition Date: 3月7日, 2018 AIME ...
