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...
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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
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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...
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 ...
