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        ****** Congratulations to all who entered! *******
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               ~ Winners/Solvers of puzzle #437 ~
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Kevin, Drew, Eric
Priestman Street School - Fredericton New Brunswick

Lisa Schechner
Manorhaven School - Port Washington, NY USA

Greg Hobart - 8th grade
Ormond Beach, Florida, United States

alex barrera
Doerre Intermediate - Klein, Texas  USA

Heather
Moultonboro Central School - New Hampshire, US

Tracy Tulloch
Our Lady of Mercy - Sarnia, ON

Jeff McNamee

Wayne Dionne, Vanessa Gray
St. Benedict's school - Sarnia Ontario Canada

Broadbma

jeffrey

Jeffrey Jr.
Norrback School - Worcester, MA

Hrayr Khanji
Ferrahian Armenian High School - LA, Encino, CA, USA

Shiv Garg - Sector 4
Hiran Magri Udaipur Rajasthan India

Diandra Harrison
McClennen Community College - Waco, Texas

Whitney

Shea Diaz
MCC - Waco,USA

Michael Allen
Valley Grande - Selma, AL US

Billy Class 5-2 
Eastview School - Oakville, Ontario, Canada

Whitney

Eric, Kayla and others - Grade 5
Normandeau School - Red Deer  AB  CANADA

Gordon Kidd
Anchorage, Alaska

Benjamin Chen, Amy Yu, Jackie Liu
Salemwood School -  Malden U.S.A

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Heather Kempff,
We also have another solution 
(with the same solution of 19 and 11 as the last 2 numbers):
1+2=3
3-0=0
3+4=7
7-2=5
5+6=11
11-4=7 and so on subtracting by multiples of 2  (0, 2, 4, 6, 8 etc.)
We are the Grade 4 classes
Pineland Public School - Burlington, Ontario, Canada

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                     Compiled by Anne Morrow.
        ****** Congratulations to all who entered! *******
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