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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 |
| (2^7)/(0!+0!) | Brian Almand | 7 | Rohrer Ms |
| 2^7/(0!+0!) | Neal Amos | 10 | Brookstone School |
| 2^7/(0!+0!) | Jamie Caputo | 7 | Rohrer Middle School |
| 2^(7-0!)-0 | Bob Chen | 8 | Northwest Junior High |
| ((7+0!)^2)-0 | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| 2^7/(0!+0!) | Billy C. | 6 | Parker Middle School |
| 2^(7-0!-0) | Kevin D'amico | 7 | Rohrer Middle School |
| 2^(-0!+0+7)
2^7/(0!+0!) |
Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| 2^7/(0!+0!) | Kathleen Duffy | 7 | Rohrer Middle School |
| (0!+7)^2+0 | Michael Endick | 8 | Foothill Middle School |
| 2^7/(0!+0!) | Mark Frasco | 7 | Rohrer Ms |
| 2^7/(0!+0!) | Amanda Fry | 7 | Rohrer Ms |
| 2^(7-0!) +0 | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| 2^7/(0!+0!) | Chan Tuck Ging | 7 | Hwa Chong Institution |
| (2^7)/(0!+0!) | Kevin Griese | 7 | Rohrer Ms |
| (0!+0!)^7/2 | Maggie G. | 6 | Parker Middle School |
| ((7+(0^0))^2 | Nicholas Heng | 8 | Hwa Chong Institution |
| (7+0!)^2-0 | Lee Zi Jian | 8 | Hwa Chong Instituition |
| 2^(7-0-0!) | Ng Xu Jie | 8 | Hwa Chong Institution |
| (7+0!)^2+0 | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 2^(7-0!)+0 | Tan Song Kai | 8 | Hwa Chong Institution |
| 2^7/(0!+0!) | Kevin Kasilowski | 7 | Rohrer Ms |
| [(7+0!)^2]+0 | Szeto Kah Keong | 8 | Hwa Chong Institution |
| 2^7/(0!+0!) | Delwin Koh | 8 | Hwa Chong Institution |
| 2^7/(0!+0!) | Won Cheng Yi Lewis | 9 | Hwa Chong Institution |
| 2^(7-0!-0) | Benjamin Low | 8 | Hwa Chong Institution |
| 2^7/(0!+0!) | Jimmy Madden | 7 | Rohrer M.S. |
| 2^(7-0!+0) | Ian M | 6 | Parker Middle School |
| 2^(7-0!)-0 | Jessica M | 7 | Mount Olive Middle School |
| 2^7/(0!+0!) | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| (7+0!)^2-0 | Yuxiao Ning | 12 | Hoboken High School |
| 2^7/(0!+0!) | John O.D | 6 | Parker Middle School |
| 2^7/(0!+0!) | Mary Kate Pierson | 7 | Rohrer Middle School |
| 2^(7-0^0) | Jesse P | 6 | Parker Middle School |
| (2^7)/(0!+0!) | Ow Zhen Quan | 8 | Hwa Chong Institution |
| (7+0!)^2+0 | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| ((7+0!)^2)-0 | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| 2^7/(0!+0!) | Brandi Rusk | 7 | Rohrer Middle School |
| 2^(7-0!-0) | Jeff Spicoli | 7 | Rohrer Ms |
| (2^7)/(0!+0!) | Alexa Surmick | 7 | Rohrer Middle School |
| 2^7/(0!+0!)
(7+0!)^2+0 |
Chong Tjen-Yao | 7 | Hwa Chong Institution |
| (7+0!)^2+0 | Ang Chong Wei | 9 | Hwa Chong Institution |
| (7+0!)^2+0
(2^7)/(0!+0!) (2^(7-0!))+0 |
Chong Zhi Wei | 7 | Hwachong |
| 2^(7-0!)-0 | Tan Yi Wei | 7 | Hwa Chong Institution |
| 2^(-0!+7+0) | Jerrold Au Ying Xian | 9 | Hwa Chong Institution |
| (7+0!+0)^2 | Lim Han Xin | 7 | Hci |
| 2^(0-0!+7) | Matthew Yang | 9 | Hwa Chong Institution |
| 2^7/(0!+0!) | Lee Jun Yi | 8 | Hwa Chong Institution |
| 2^(0-0!+7) | Low Kah Yi | 9 | Hwa Chong Institution |
| (7+0!)^2-0 | Zhou Yifan | 3 | Hwa Chong Institution |
| (7+0!)^2-0 | Zou Xiang Yu | 7 | Hwa Chong Institution |
| [2^[7-(0!)]]-0 | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
| (7+0^0)^2 | Yu Zhou | 1 | Hwa Chong Institution |
Please notify Judy Ann Brown of any errors.
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