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September 29th, 2016, 02:20 AM  #11 
Newbie Joined: Jun 2016 From: india Posts: 24 Thanks: 4 
It can be solved using PEMDAS rule of mathematics which is used to simplify a mathematical expression in which more than one operation is used. While solving numerical expressions, first solve: 1.) P = Parentheses 2.) E = Exponents 3.) M = Multiplication 4.) D = Division 5.) A = Addition 6.) S = Subtraction Now, come to the given problem, $\displaystyle 9  {3}\div{\frac{1}{3}} + 1$ first divide than add and subtract = $\displaystyle 9  9 + 1$ = 1 It is the required solution. Last edited by skipjack; September 29th, 2016 at 04:34 AM. 
September 29th, 2016, 05:04 AM  #12 
Global Moderator Joined: Dec 2006 Posts: 20,469 Thanks: 2038 
duyen2121, the video in your signature doesn't seem to exist.


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