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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 |
| (sqrt(7!+0!))+(2+0!)! | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| (2+0!)!+sqrt(0!+7!) | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| sqrt((0! / .2)! + 0!) * 7 | Michael Endick | 8 | Foothill Middle School |
| (2+0!)!+sqrt(0!+7!) | Wu Zi Hao | 9 | HwaChong Institution |
| sqrt(7!+0!)+(2+0!)! | Lee Zi Jian | 8 | Hwa Chong Instituition |
| sqrt(7!+0!)+(2+0!)! | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| [sqrt(7!+0!)]+(2+0!)! | Tan Song Kai | 8 | Hwa Chong Institution |
| sqrt (7! +0!) + (2+0!)! | Delwin Koh | 8 | Hwa Chong Institution |
| (2+0!)!+(sqrt(0!+7!)) | Benjamin Low | 8 | Hwa Chong Institution |
| sqrt((7!)+0!)+(0!+2)! | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| (2+0!)!+sqrt(0!+7!) | Jerrold Au Ying Xian | 9 | Hwa Chong Institution |
| sqrt(7!+0!)+(2+0!)! | Lim Han Xin | 7 | HCI |
| sqrt(7!+0!)+(2+0!)! | Lee Jun Yi | 8 | Hwa Chong Institution |
| (2+0!)!+sqrt(0!+7!) | Low Kah Yi | 9 | Hwa Chong Institution |
Please notify Judy Ann Brown of any errors.
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