Học Để Thi |
- World Cup Preview: Colombian Knee the Key to Group C
- The Fun Switcher: Because You're Not Working Anyway
- This is London Calling, We're the Selfie Capital of the World
- Artist's Fanciful Face Paint Transformations Bend Reality
- Xác xuất - Mai Đặng
- Hình Học 9- Huy Phan
- Japan's Uniqlo Lets You Design Your Own T-Shirts via Smartphone
- 10 Startups to Watch in 2014
- Apple Pursues Controversial Deals with ISPs to Pay for Better Service
- MakerBot's Replicator Mini 3D Printer Starts Shipping
- FedEx Launches Unit to Serve the Space Industry
- How the Surface Pro 3 Compares to the MacBook Air
- Tesla to Deliver Model S to UK Drivers, Expand European Supercharger Network
- Iran Police Arrest 6 After 'Happy' Video Featuring Women Without Hijabs Goes Viral
- 'The Voice' Will Incorporate Tumblr Animations in Finalist's Performance
- Box Rolls Out Faster Android App With Free Storage for Some Users
- Will Smith Helps Woman Put Your Pregnancy Announcement to Shame
- Adobe Shows Off Touch-Optimized Photoshop CC for Surface Pro 3
- Earth Just Tied for Its Warmest April on Record, NOAA Says
- Oculus Rift, Coming to a Chuck E. Cheese's Near You
- Hands On With the Surface Pro 3
- 16 Hilarious Reactions to Pat Sajak's Nutty Climate Change Tweet
- Ryan Gosling's Movie Got Booed, Yes — But the Applause Was Louder
- 'Watch Dogs' Trailer Pranks People by Hacking Their World
- Emma Thompson: Twitter, Facebook Will Kill a Generation
| World Cup Preview: Colombian Knee the Key to Group C Posted: 21 May 2014 01:14 AM PDT Colombia's Radamel Falcao, left, celebrates with teammate Pablo Armero after scoring during a 2014 World Cup qualifying soccer match against Paraguay in Barranquilla, Colombia, Friday, Oct. 12, 2012 This is the third post in a series previewing the World Cup's eight groups. Read Group A and Group B; then check back later this week for looks at groups D, E, F, G and H. The 2014 World Cup's |
| The Fun Switcher: Because You're Not Working Anyway Posted: 20 May 2014 11:17 PM PDT BY ANDREA ROMANO Feeling a little too productive? Here's a website that captures two of life's greatest pleasures: procrastination and the tactile satisfaction of turning light switches on and off. Since flicking your real light switch will drive everyone around you up a wall, you can useThe Fun Switcher to do the exact same thing — with the added bonus of controlling a variety of sound |
| This is London Calling, We're the Selfie Capital of the World Posted: 20 May 2014 11:15 PM PDT You can't walk around a big city without seeing someone snapping a selfie. The selfie trend gained increasing popularity over the last few years with front-facing cameras and Instagram filters that make anyone look good. It's dominated social media, influenced pop culture and even reached space. A quick search of the hashtag #selfie on Instagram delivers more than 116 million results. We |
| Artist's Fanciful Face Paint Transformations Bend Reality Posted: 20 May 2014 11:16 PM PDT 'Game of Thrones' White Walker Face paint isn't just for carnivals anymore — it's an art form in its own right. Elsa Pageler proves this with her amazing ability to use face paint and makeup to make herself look like absolutely anything — from your favorite video game character to a creature from your Halloween nightmares. Her facial creations will leave you unsure what if you're looking at a |
| Posted: 20 May 2014 11:09 PM PDT 1 lớp gồm 4 sv đã tốt ngiệp đại học và 12 sv chưa tốt nghiệp đại học và dc chia thành 4 nhóm,tính xác suất để mỗi nhóm có 1 sv đã tốt nghiệp đại họcGiải:ở đây Thầy hiểu theo cánh là mỗi nhóm có duy nhất 1 em học sinh đã tốt nghiệp đại học nha. (còn bài toán có ít nhất 1 hs đã tốt nghiệp đại học sẽ khác)Tổng số chọ sinh của lớp là: 4+12=16 học sinh.Chia thành 4 nhóm thì mỗi nhóm có 4 người.Số cách |
| Posted: 20 May 2014 10:53 PM PDT Cho ∆ABC vuông tại C, có BC =1/2 AB. Trên cạnh BC lấy điểm E (E khác B và C). Từ B kẻ đường thẳng d vuông góc với AE, gọi giao điểm của d với AE, AC kéo dài lần lượt là I, K.a. Tính độ lớn góc .CIKb. Chứng minh: KA.KC = KB.KI; AC2 = AI.AE – AC.CK.c. Gọi H là giao điểm của đường tròn đường kính AK với cạnh AB. Chứng minh: H, E, K thẳng hàng.d. Tìm quỹ tích điểm I khi E chạy trên BCGiải:<




0 comments:
Post a Comment