解;(根号2-根号3)的2002次方乘(根号2+根号3)的2003次方=(根号2-根号3)^2002*(根号2+根号3)^2002*(根号2+根号3)
=[(根号2-根号3)(根号2+根号3)]^2003*(根号2+根号3)
=(2-3)^2003(根号2+根号3)
=-1(根号2+根号3)
=-根号2-根号3