【学科分享】数学学科
考试做题,既可以用极端情况和特殊值快速排除选项,也可以进行... 可能会影响下一科的发挥.此外,他建议同学们参加AP(大学先...
几何解法也很有趣, 因为OP是∠AOQ的内角平分线, 根据内角平分线定理,PQ: PA = OQ : OA = 6 : 12 = 1 : 2又PF=PQ, 所以AP=2...
尚学小助手 | shangxuemingde如果你是出国党,想要拯救GPA,求辅导AP、SAT2、honor课程等,那么我就是你的贴心小帮手; 如果...
比尔盖茨是狂热的粉丝可汗成为美国数学教育的宠儿,受到许多科... 竞赛,为5个“可能改变世界”的组织提供总额1000万美元的奖励...
USACO 2018 January Contest, Platinum Problem 3. Sprinklers 2018年1月USACO美国计算机奥赛白金级题3 Farmer John has a large field, and he is thinking of planting sweet corn in some part of it. After s...
USACO 2018 January Contest, Platinum Problem 1. Lifeguards 2018年1月USACO美国计算机奥赛白金级题1 Farmer John has opened a swimming pool for his cows, figuring it will help them relax and produce mo...
USACO 2018 January Contest, Platinum Problem 2. Cow at Large 2018年1月USACO美国计算机奥赛白金级题2 Cornered at last, Bessie has gone to ground in a remote farm. The farm consists of NN barns (2≤N≤7...
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