USACO 2018 FEBRUARY CONTEST, SILVER PROBLEM 2. SNOW BOOTS
USACO 2018年2月赛银级题2 Snow Boots
USACO 2018 FEBRUARY CONTEST, SILVER PROBLEM 1. REST STOPS
USACO 2018年2月赛银级题1 Rest Stops
USACO 2018 February Contest, Bronze Problem 2. Hoofball
USACO 2018年2月赛铜级题2 Hoofball In preparation for the upcoming hoofball tournament, Farmer John is drilling his NN cows (conveniently numbered 1…N1…N, where 1≤N≤1001≤N≤100) in passing the ball. ...
USACO 2018 February Contest, Bronze Problem 1. Teleportation
USACO 2018年2月赛铜级题1 Teleportation One of the farming chores Farmer John dislikes the most is hauling around lots of cow manure. In order to streamline this process, he comes up with a brillian...
USACO 2018 February Contest, Bronze Problem 3. Taming the Herd
USACO 2018年2月赛铜级题3 Taming the Herd Early in the morning, Farmer John woke up to the sound of splintering wood. It was the cows, and they were breaking out of the barn again! Farmer John was s...
【全网首发】2018AIME I 1卷答案及解析
2018 AIME I 1卷考试日期: 3月6日, 2018< 各位学员可以收藏此页面，翰林国际教育将同步官网于3月8日公布AIME I 1卷答案及解析 翰林AIME课程体系流程图 翰林AIME课程体系流程图
【全网首发】2018AIME II 2卷答案及解析
2018 AIME II 2卷答案及解析 1. 800 2. 112 3. 371 4. 023 5. 074 6. 037 7. 020 8. 556 9. 184 10. 756 11. 461 12. 112 13. 647 14. 227 15. 185
【全网首发】2018AIME II 2卷真题及答案
2018 AIME II 2卷真题及答案 答案解析请参考文末 Problem1 Points , , and lie in that order along a straight path where the distance from to is meters. Ina runs twice as fast as Eve, and Paul runs twic...
【全网首发】2018AIME I卷真题及答案
2018 AIME I 真题 考试日期: 3月6日, 2018 答案解析请参考文末 Problem 1 Let be the number of ordered pairs of integers with and such that the polynomial can be factored into the product of two (n...
2018 AMC 10B Answer Key答案解析
2018 AMC 10B Answer Key答案解析 翰林国际教育全网首发 Problem 1 答案：A Solution 1：The area of the pan is = . Since the area of each piece is , there are pieces. Thus, the answer is . Solution 2：B...
2018 AMC 12B ANSWER KEY答案解析
Problem 1 Solution 1 The area of the pan is = . Since the area of each piece is , there are pieces. Thus, the answer is . Solution 2 By dividing the each of the dimensions by , we get a grid which ...
【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 ...
