回复：回复：回复：回复：Problem 6
屋漏痕
2009-07-28 10:07:10
( reads)
Choose a1, a2, …, a(n) such that a1+a2+…a(n) is not equal to b(n-1) or b(n).
Choose a1, a2, …, a(n) such that a1+a2+…a(n) is not equal to b(n-1) or b(n).
屋漏痕
2009-07-28 10:58:07still off a littlt bit.