99...9×99...9+199...9
展开全部
99...9× 99...9+199...9
=99...9× 99...9+2×99...9+1
= (99...9+1)²
=100...0²
=100...0(200个0)
=99...9× 99...9+2×99...9+1
= (99...9+1)²
=100...0²
=100...0(200个0)
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
2012-08-09
展开全部
99...9× 99...9+199...9
=99...9× 99...9+2×99...9+1
= (99...9+1)²
=100...0²
=100...0(200个0)
=99...9× 99...9+2×99...9+1
= (99...9+1)²
=100...0²
=100...0(200个0)
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
99...9× 99...9+199...9
=99...9× 99...9+2×99...9+1
= (99...9+1)²
=100...0²
=100...0(200个0)
希望采纳
=99...9× 99...9+2×99...9+1
= (99...9+1)²
=100...0²
=100...0(200个0)
希望采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
根号99…9X99…9+199…9
=根号99…9X99…9+2×99…9+1
= 根号(99…9+1)的平方
=99…9 +1
=100…
=根号99…9X99…9+2×99…9+1
= 根号(99…9+1)的平方
=99…9 +1
=100…
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询