+0  
 
0
315
1
avatar+4 
it is 81^(3/4) / 81^(1/2). I would really appreciate it, thanks !
kathy33  Mar 20, 2012
 #1
avatar+3076 
0
[input]81^(3/4) / 81^(1/2)[/input]
admin  Mar 20, 2012

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