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OpenStudy (booklover40):
If a,b,c and d are replaced by four distinct digits from 1 to 9, then what's the largest possible value of the difference a.b - c.d? Help!!!!!
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OpenStudy (booklover40):
Anyone? Help!
OpenStudy (booklover40):
Nobody?
OpenStudy (booklover40):
This isn't making day better. :(
OpenStudy (booklover40):
Nobody has even commented, and this has been up 20 minutes.
OpenStudy (booklover40):
Nobody has even commented, and this has been up 20 minutes.
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OpenStudy (anonymous):
a=9 b=8 c=1 d=2 ab-cd=9*8-1*2=72-2=70
OpenStudy (anonymous):
value of a and b can interchange. similarly value of c and d can interchange.
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