Respostas

2013-06-03T21:58:25-03:00

A) 1/9+[1/3-(-1/3)]^-2  =   1/9+[2/3]^-2   =     1/9+1/4/9      =     5/4/9     =   R= 5/36

 

B) (1/4 + 4 -1/2)/4   =    (1/4+16/4-2/4)/4   =   15/4/4    =   R=15/16

 

C) 4x8x64x32= 65536

 

D) nao entendi

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