This Web page is intended to record solutions submitted by students in
grades three through twelve.
Submissions will be posted starting February 1, 2009.
Rules: use the digits in the year 2009 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.
|(((2+0!)!)!) / ((sqrt 9) +0!)!||Qi Yanjun||8||Hwa Chong Institution, Singapore|
|90/(2 + 0!)||Emily Burnett||9||Alamo Heights|
|20+9+0!||Claire Billington||7||International School of Lausanne|
|90/(2+0!)||Roger Aanonsen||7||Mount Olive Middle School|
|(0!/.2+0)*(sqrt(9))!||Davy He||12||No.6 middle school of Guangzhou in China|
|29 + 0! + 0||Natalie Torres||7||San Fernando middle school|
|29*(0!)+(0!)||Chris Nicolucci||7||William G. Rohrer MS|
|29*0!+0!||megan hemphill||7||Wm g. rohrer MS|
Please notify Suzanne Alejandre of any errors.
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