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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 |
| 7^2x(0!+0!) | Neal Amos | 10 | Brookstone School |
| (7^2)*(0!+0!) | Collin Andrew | 7 | Rohrer G. Middle School |
| 7^2 *(0!+0!) | Bryce S. Brown | 7 | William G Rohrer Middle School |
| 7^2*(0!+0!) | Jamie Caputo | 7 | Rohrer Middle School |
| (7^2)*(0!+0!) | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| 7^2*(0!+0!) | Eddie Cunningham | 7 | Rohrer Ms |
| (7^2)x(0!+0!) | Kevin D'amico | 7 | Rohrer Middle School |
| 2*7^(0!+0!) | Michael Endick | 8 | Foothill Middle School |
| 7^2*(0!+0!) | Mark Frasco | 7 | Rohrer Ms |
| 7^2*(0!+0!) | Amanda Fry | 7 | Rohrer Ms |
| (7^2)x(0!+0!) | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| (7^2)x(0!+0!) | Chan Tuck Ging | 7 | Hwa Chong Institution |
| 7^2*(0!+0!) | Molly Grasmick | 7 | Rohrer Ms |
| 7^2*(0!+0!) | Tj Hawn | 7 | Rohrer Middle School |
| 7^2(0! + 0!) | Cara Hudak | 8 | Hudson Montessori Middle Scholl |
| 7^2*(0!+0!) | Lee Zi Jian | 8 | Hwa Chong Instituition |
| 7^2x(0!+0!) | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| 7^2*(0!+0!) | Ng Xu Jie | 8 | Hwa Chong Institution |
| (7^2)*(0!+0!) | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 7^2*(0!+0!) | Kevin Kasilowski | 7 | Rohrer Ms |
| (7^2)x(0!+0!) | Szeto Kah Keong | 8 | Hwa Chong Institution |
| 7^2*(0!+0!) | Delwin Koh | 8 | Hwa Chong Institution |
| 7^2 * (0! + 0!) | Won Cheng Yi Lewis | 9 | Hwa Chong Institution |
| 7^2*(0!+0!) | Benjamin Low | 8 | Hwa Chong Institution |
| (7^2)*(0!+0!) | Hannah Marshall | 7 | M.O.M.S. |
| (0!+0!)x7^2 | Sammy Mayall | 6 | Viewpoint |
| 7^2*(0!+0!) | Tori Mcerlean | 7 | Rohrer Middle School |
| 7^2(0!+0!) | Kelley Mcintire | 9 | Brookstone |
| (7^2)*(0!+0!) | Nina Mielcarz | 7 | Rohrer Middle School |
| 7^2x(0!+0!) | Emma M | 12 | L'anse Creuse High School |
| 7^2x(0!+0!) | Ian M | 6 | Parker Middle School |
| 7^2(0!+0!) | Jessica M. | 7 | Mount Olive Middle School |
| 7^2x(0!+0!) | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| 7^2(0!+0!) | Yuxiao Ning | 12 | Hoboken High School |
| 7^2x(0!+0!) | Cam O | 6 | Parker Middle Shcool |
| 7^2x(0!+0!) | John O.D | 6 | Parker Middle School |
| 2*(7^(0!+0!)) | Ow Zhen Quan | 8 | Hwa Chong Institution |
| 7^2x(0!+0!) | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| 7^2*(0!+0!) | Kelly Roche | 7 | Rohrer Ms |
| (7^2)x(0!+0!) | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| 7^2(0!+0!) | Caylie Scherba | 8 | Hudson Montessori Middle School |
| 7^2x(0!+0!) | Khoo Wu Shaun | 7 | Hwa Chong Institution |
| 7^2*(0!+0!) | Chong Tjen-Yao | 7 | Hwa Chong Institution |
| 7^2x(0!+0!) | Anna T. | 6 | Parker Middle School |
| 7^(0!+0!)x2 | Maung Thet Naing Win | 7 | Hwa Chong Institution |
| 7^2x(0!+0!) | Lim Han Xin | 7 | Hci |
| (7^2)(0!+0!) | Lee Jun Yi | 8 | Hwa Chong Institution |
| (7^2)*[(0!)+(0!)] | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
| 7^2*(0!+0!) | Steven | 6 | Christ The Divine Techer School |
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