Thread: Maths question for you all...!
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Old 01-18-2013, 12:19 PM  
d-null
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Join Date: Apr 2007
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Quote:
Originally Posted by woj View Post
solution without proof is useless...
you are right, I thought it too simple to bother

a+b=180
a+c=300

a=180-b
a=300-c

180-b=300-c

-b=120-c

b=c-120

(b-c)/2


(c-120-c) /2

-60
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