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This Web page is intended to record solutions submitted by students in
grades three through twelve.
Submissions will be posted starting February 1, 2007.
Rules: use the digits in the year 2007 and the operations of +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for the counting numbers 1 through 100. Please read and follow the rules carefully. Teachers may print out worksheets for students to record their findings, or print sheets of manipulatives for students to use.
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| Solution | Name | Grade | School |
| (2+0!+0!)!+7 | Chua Cheng Aik | 9 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Bob Chen | 8 | Northwest Junior High |
| (2+0!+0!)!+7 | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Tran Ha Duong | 9 | 3h, Hwa Chong Institution |
| (0!+0!+2)!+7 | Michael Endick | 8 | Foothill Middle School |
| (2+0!+0!)!+7 | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| (7-0!)/.2+0! | Chan Tuck Ging | 7 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Wu Zi Hao | 9 | Hwachong Institution |
| (2+0!+0!)!+7 | Lee Zi Jian | 8 | Hwa Chong Instituition |
| (2+0!+0!)!+7 | Ng Xu Jie | 8 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| (2+0!+0!)!+7 | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Tan Song Kai | 8 | Hwa Chong Institution |
| 7+(0!+0!+2)! | Szeto Kah Keong | 8 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Benjamin Low | 8 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| (2+0!+0!)!+7 | Yuxiao Ning | 12 | Hoboken High School |
| (2+0!+0!)!+7 | Ow Zhen Quan | 8 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Glenn Goh Rongjie | 9 | Hwa Chong Insituition |
| (2+0!+0!)!+7 | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Danielle Topp | 11 | International School Of Toulouse |
| (2+0!+0!)!+7 | Chong Tjen-Yao | 7 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Ang Chong Wei | 9 | Hwa Chong Institution |
| (0!+0!+2)!+7 | Chong Zhi Wei | 7 | Hwa Chong Insitution |
| (0!+0!+2)!+7 | Tan Yi Wei | 7 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Maung Thet Naing Win | 7 | Hwa Chong Institution |
| 7+(2+0!+0!)! | Lim Han Xin | 7 | Hci |
| (2+0!+0!)!+7 | Loh Jun Yan | 3 | Hwa Chong Institution (High School Section) |
| (2+0!+0!)!+7 | Lee Jun Yi | 8 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Low Kah Yi | 9 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Zhou Yifan | 3 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Zou Xiang Yu | 7 | Hwa Chong Institution |
| (2+0!+0!)!+7 | Chen Zijin | 9 | Hwa Chong |
| [[2+(0!)+(0!)]!]+7 | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
Please notify Judy Ann Brown of any errors.
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