BlogHide Resteemsbinbin88 (45)in math • 7 years agoMath story #3 - The Sangaku in Japanese Temples/ 數學故事 #3 - 日本寺廟的繪馬算額In ancient times Japanese would donate horses to the temples or shrines for good favor. However, over time this was transferred to a wooden plaque with a picture of a horse due to economic…binbin88 (45)in science • 8 years agoHow 3D printing will replace the plaster cast? 3D打印將如何取代打石膏?When I writing this article, my left arm is in a plaster cast. 當我寫這篇文章時,我的左手臂是正在打石膏的。 It is very uncomfortable in a plaster cast. Also, there are many inconvenience when you put on it. For…resteemedkenchung (66)in contest • 8 years ago[Free Steem!] Mathematics × Programming Competition #2 數學 × 程式編寫比賽 (第二回)Welcome to the Mathematics × Programming Competition #2 歡迎參加數學 × 程式編寫比賽 (第二回) Question 問題 A regular 2017999-sided polygon is drawn on a rectangular coordinate plane, with (0,0) as its…binbin88 (45)in cn-money • 8 years agoETH / USD的小时图分析 2017-6-23 11:00UTCETH价格相对美元缓慢回升至328美元。 在ETH / USD的小时图中,有一个短期三角形模式,阻力位在330美元。 可以看出的是,价格看似突破了短期三角形,MACD也上升至正值,但仍难判断是否假突破,因330是重大阻力位。 只要没有数次接近330美元而未能升穿,就有机会再次向300美元下跌。 但是,当突破330美元,则可以三角形幅度的一半再短期升幅目标,即约345美元。…binbin88 (45)in cn • 8 years ago數學故事#1 - 韓信點兵(剩餘問題)韓信(前230年-前196年)是楚漢爭戰期間為劉邦拚江山的名將,漢初三傑之一,對漢代的成立作出了重大貢獻。 在他的許多戰役中,他帶著1500名士兵。這是一場艱苦的戰鬥,約有四百多名士兵死亡。當他們回到總部時,韓國將軍需要知道有多少士兵倖存下來。 然後他命令士兵3名一排,最後一排還有2名士兵。 然後他命令他們5名一排,最後一排仍然是4名士兵。…binbin88 (45)in hf19 • 8 years agoHong Kong Unique#1 - The night view of victoria harbourI would like to share something that is unique in Hong Kong. For the first part, I would like to share the Victorian harbour. It is a top 5 night view in the world.binbin88 (45)in chainbb-general • 8 years agoMath story #2 - Thales and the Great Pyramid of CheopsThales of Miletus (/ˈθeɪliːz/; Greek: Θαλῆς (ὁ Μῑλήσιος), Thalēs; c. 624 – c. 546 BC) was a pre-Socratic Greek philosopher, mathematician and astronomer from Miletus in Asia Minor (present-day Milet…resteemedjonathanxvi (62)in education • 8 years agoWhat is the best way to learn math?Image source: [1] The point is that mathematics and its methods are not learned by simply reading. Sometimes when I have faced a particularly difficult mathematical theory, I have said, well calmly…resteemedthecryptofiend (74)in steemit • 8 years agoA Quick Guide To How Keys and Passwords Work on Steem and SteemitIntroduction - Key Confusion Most new users have difficulty understanding the different keys. One of the subjects most new users seem to have questions about is that of what the…binbin88 (45)in chainbb-general • 8 years agoWine tasting #1 - Château Lagrange (St. Julien) 1986 v 1989I like tasting wine with friends, so i would like to record some wine tasting note here. Château Lagrange is a winery in the Saint-Julien appellation of the Bordeaux region of France, and is…resteemedkenchung (66)in chainbb-general • 8 years ago[Free Steem!] Mathematics × Programming Competition #1Welcome to the 1st Mathematics × Programming Competition! Question Difficulty index: 4 / 10 Kenchung has 90 SBD and goes to a store to buy stationery. A pencil costs 9 SBD and a pen costs 10…binbin88 (45)in chainbb-general • 8 years agoMath story #1 - Han Xin Counting Soldiers (韓信點兵) (Remainder problem)Han Xin (韓信) (died 196 BC) was a military general who served Liu Bang during the Chu–Han Contention and contributed greatly to the founding of the Han dynasty. In one of his many battles, he…binbin88 (45)in introduceyourself • 8 years agoHello everyone, nice to meet you all;)Hi everyone, first of all, thank you for giving me an opportunity to introduce myself. This is my first time to join steemit, im so proud to be here with any great people. In this moment let…