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a-b=(|a+3)^2-(|b+3)^2=[(|a+3)+(|b+3)][(|

a-b=(|a+3)^2-(|b+3)^2=[(|a+3)+(|b+3)][(|a+3)-(|b+3)]=9*[(|a+3)-(|b+3)]=27
则:(|a+3)-(|b+3)=3
又:(|a+3)+(|b+3)=9
则:(|a+3)=6,(|b+3)=3
所以:a=33,b=6
a+b=39